Answer: none of the above answer is d
Explanation:
Which statements describe S waves? Check all that apply.
They move side to side.
They arrive after P waves.
They travel through solids.
They travel through liquids.
They occur at Earth's surface
Seismic waves...
They move side to side. ✔
They arrive after P waves.✔
They travel through solids.✔
They travel through liquids.
They occur at Earth's surface✔
Answer:
The correct answers are "They move side to side", "They arrive after P waves" and "They travel through solids".
Explanation:
S-waves are one of the two types of seismic waves, named after "secondary waves" for being the second waves that arrive to a seismic center after the P-waves (primary waves). S-waves move side to side, therefore they are considered transverse waves. S-waves move through the body of solids, unlike other waves that move in the surface of the objects.
which best describes a population?
Definition. noun, plural: (genetics, ecology) A group of organisms of one species that interbreed and live in the same place at the same time (e.g. deer population) (taxonomy) A low-level taxonomic rank. (statistics) A set of individuals, objects, or data from where a statistical sample can be drawn.
Answer:
A group of the same species living together
Explanation:
APEX
Hawaii's lush tropical forest arose from a process of...
Answer:
I think the correct answer is succession.
Explanation:
In biology, succession is the order in which species appear in an ecosystem over time.
In this case, Hawaii's lush tropical forest arose from a process of succession because its lush took its time to develop.
hope this helps :)
Describe what would likely happen to an ecosystem if either it’s producers or decomposers were removed. Be sure to explain your reasoning. ( please please help me!!!) please
Final answer:
Removal of either producers or decomposers from an ecosystem would lead to a collapse of the energy flow and nutrient cycles, causing catastrophic impacts on ecosystem stability and the survival of species.
Explanation:
If producers were removed from an ecosystem, the primary source of energy and organic compounds for consumers would vanish, leading to the collapse of the food chain. Without producers like plants and phytoplankton, there would be no photosynthesis to convert solar energy into chemical energy, which is crucial for sustaining life in the ecosystem.
On the other hand, if decomposers were removed from an ecosystem, there would be an accumulation of organic waste and dead matter. This would impede the recycling of nutrients back into the soil and atmosphere, which is essential for the growth of producers. The disruption of this cycle would lead to a decline in soil fertility and a breakdown in the flow of energy through the ecosystem.
What is true about the relationship of DNA and chromosomes?
Chromosomes manufacture the proteins that build the DNA molecule.
Chromosomes unwind the DNA molecule so that sections can be made into genes by RNA.
Various nucleotide sequences of DNA code for different chromosomes.
Each chromosome contains a single, tightly wound DNA molecule.
What is true of all body cells except sex cells?
Each cell type carries chromosomes and genes that identify it as that specific type of cell. For example, skin cells have different chromosomes and genes than muscle cells.
Each body cell contains the same number and kinds of chromosomes for that organism. The chromosomes contain the same number and kinds of genes for that individual.
While each cell in the body contains the same number of chromosomes, each cell type has different genes along those chromosomes.
While each cell type in the body contains the same kinds of genes, they are organized on different chromosomes depending on the cell type.
What role does mRNA play in the delivery of genetic code information?
mRNA reads the code from one gene on a chromosome and then delivers that message to rRNA.
mRNA copies the code from one segment of DNA that represents one gene and then carries it out of the nucleus to a ribosome.
mRNA transports a gene segment to tRNA where the code is read and an amino acid is made.
mRNA collects the DNA from all of the chromosome and duplicates it using nucleotide base pairs.
A snapping turtle has 52 chromosomes. Which statement correctly compares the number of chromosomes in a body cell with that in a sex cell of a snapping turtle?
The body cell has 2n; the sex cell has 1n.
The body cell has 26; the sex cell has two.
The body cell has 1n; the sex cell has 2n.
The body cell has 24; the sex cell has 26.
Which statements correctly compare mitosis and meiosis?
The result of mitosis is two identical diploid cells. The result of meiosis is four genetically different haploid cells.
Mitosis brings genetic variety to a species. Meiosis helps the body grow and heal.
Mitosis involves two cycles of cell division. Meiosis involves one cycle of cell division.
Cells that divide by mitosis carry the genetic information for body cells. Cells that divide by meiosis provide only the code for gender.
Which phase of cell division includes the pinching off or cleaving of the cell into two new cells?
prophase
metaphase
anaphase
telophase
Which statement describes the chromosomes by the end of telophase of mitosis?
The chromosomes have coiled and become more compact.
The chromosome pairs collect in a line across the middle of the cell.
The chromosomes separate at the centromere and begin to move apart.
The chromosomes reach opposite sides of the cell and begin to be incorporated into two new nuclei.
Which phase of sex cell production results in homologous pairs of chromosomes forming?
prophase I of meiosis
anaphase II
telophase I
telophase II
Which describes the chromosomes by the end of prophase II of meiosis?
The chromosomes in each of two diploid cells coil and become more compact.
The chromosomes in each of two diploid cells line up in the middle of the cell.
The chromosomes of two haploid cells split apart at the centromere.
The chromosomes of two haploid cells reach opposite sides of the cell and incorporate into two new nuclei.
A frog is the best jumper in the pond due to its long legs. What is true about this frog's heritable traits?
Its parents passed on genes for jumping distances through the chromosomes found in their gametes.
Its parents taught it the tricks to jumping farther.
Its parents passed on genes for longer legs through the chromosomes found in their gametes.
It spent more time practicing jumping greater distances.
Two genes for the same trait are compared. Which one is not an example of a mutation?
In the first, the series is adenine followed by two thymine; in the second, adenine is followed by two thymine.
In the first, the series is cytosine - adenine - thymine; in the second, it is cytosine - adenine - adenine.
The first has thymine where the second has a guanine.
The first has a series of three nucleotide bases; the other has a series of four.
Which headline would be an example of gene therapy?
Pet Fish Glow under Ultraviolet Light
Farmer Brown's Pigs Have Less Saturated Fat
Prize Winning Orchid Is a Hybrid
Gene Added to Bone Marrow Improves Immune System Function
Which sentence properly uses the word genotype?
Having inherited one dominant and one recessive gene for height, the genotype of the plant was heterozygous.
Each of the homologous chromosomes in the pair had the same recessive genotype.
Each gamete had the same genotype on each chromosome, so the result was identical twins.
The genotype was not a mutation because mRNA successfully copied the DNA strand.
this just confused the heck out of me
Chromosomes, formed by tightly coiled DNA, contain genetic information in the form of genes. mRNA transcribes this code and plays a key role in protein synthesis. Mitosis and meiosis are different types of cell division producing diploid and haploid cells respectively.
Explanation:The DNA molecule coils tightly and condenses to form chromosomes, which are crucial structures during cell division and ensure the accurate segregation of genetic information. Interestingly, each chromosome contains a single, tightly wound DNA molecule which can be composed of thousands of genes, providing the instructions for building and maintaining an organism. In the context of protein synthesis, messenger RNA (mRNA) plays a pivotal role by transcribing the genetic code from DNA and delivering it to ribosomes where proteins are synthesized.
Regarding cell division, mitosis results in two identical diploid cells, while meiosis produces four genetically diverse haploid cells, each containing half the number of chromosomes of the original cell. Finally, during mitosis, the phase during which the cell splits into two new cells is known as telophase, and it's at this point where chromosomes begin to be incorporated into two new nuclei.
In terms of inheritance, it's the genes located on the chromosomes within the gametes that determine the heritable physical traits such as leg length in frogs, playing a direct role in the jumping capability of the offspring.
if a dolphin is producing a vocalization with a frequency of 35Hz traveling at 1,470 m/s what is the wavelenghth of the sound
Answer:
42
Explanation:
If you divide the m/s and the frequency it will bring you to the wavelength of the sound.
1,470/35=42
42 is the wavelength of the sound.
The wavelength of a sound produced by the vocalization of a dolphin with a frequency of 35 Hz and a speed of 1,470 m/s would be 42 m
The speed or the velocity of a traveling wave is the product of its wavelength and its frequency. In other words:
V = λf, where V = speed/velocity, f = frequency, and λ = wavelength.
In this case, V = 1,470 m/s and f = 35 Hz
λ = 1470/35
= 42 m
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The role of rRNA in gene expression is to?
Answer:
The correct answer is rRNA plays an important role during translation (protein synthesis) of mRNA.
Explanation:
Ribosomal RNA or rRNA are the RNA molecules which build up the site for protein synthesis known as ribosomes.
Ribosome synthesis takes place in nucleolus where two types of rRNA molecules associates with proteins, one in large subunit and one in the small subunit to form ribosomes.
These ribosomes physically moves along an mRNA molecule and catalyze the assembly of amino acids where rRNA molecules performs the catalytic steps of protein synthesis that is stitches amino acids together and makes up proteins.
Thus, rRNA plays an important role during translation (protein synthesis) of mRNA.
ANSWER:
The role of rRNA (Ribosomal RNA) in gene expression is to form part of the ribosome.
REFERENCE:
3.3 Determine the information flow from DNA to RNA to direct the synthesis of proteins
DNA, RNA, and the Development of Multicellular Organisms READING ASSIGNMENT
◦◦◦
3.4 Investigate genetics with respect to human inheritance and DNA mutations
DNA Replication READING ASSIGNMENT
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a small polar molecule enters a cell with help from a membrane protein.
This is called facilitated diffusion(facilitated by membrane proteins) examples would be diffusion of ions such as sodium, potassium etc.
Hope this helps;)
Answer:
The small polar molecule enters a cell with help from a membrane protein by a process known facilitated diffusion.
Explanation:
The facilitated diffusion also known as passive diffusion. It allows movement of molecules along the concentration gradient whereas the process of active diffusion involves energy as it is against the concentration gradient.
The facilitated diffusion involves carrier protein and channel protein. Thus small molecules can easily pass through channel proteins.
Alexis is out mowing the lawn and starts to feel dehydrated. Her will secrete vasopressin. If her dehydration becomes severe, her secretion of vasopressin will .
Answer:
The correct answer is - the hypothalamus and pituitary gland respectively
Explanation:
Vasopressin is an antidiuretic hormone, a peptide hormone manufactured or produced by the hypothalamus.
The secretion and storage take place by the pituitary gland, this is termed as neurohypophysis.
Vasopressin causes reabsorption of water via acting on DCT of nephron during a dehydration body.
Thus, the correct answer is - hypothalamus and pitruitary gland respectively.
Answer:
pituitary gland and hypothalamus increases to retain water
Explanation:
Are all human cells capable of mitosis and cell division? How does this affect the body’s ability to repair itself? Support your answer with specific examples.
yes
in fact mitosis is a type of cell division
during mitosis, it's reproduce new cells and replace dead cells
such as red blood cells and white blood cells
Not unless the cell is in the Go phase like brain cells, nerve cells, muscle cells etc.
How does biodiversity affect ecosystem stability?
O
A. High biodiversity increases the chances that an ecosystem will be
able to survive a disturbance.
O
B. High biodiversity decreases the chances that an ecosystem will
encounter an extreme disturbance.
O
C. High biodiversity increases the chances that an ecosystem will
encounter an extreme disturbance.
O
D. High biodiversity decreases the chances that an ecosystem will be
able to survive a disturbance.
Answer:
I think its A
Explanation:
Having a high biodiversity can help an ecosystem to survive a disturbance it doesn't decrease the chances of one happening.
High biodiversity increases the chances of an ecosystem surviving a disturbance and contributes to ecosystem stability.
Explanation:Answer:
Biodiversity refers to the variety of living organisms in an ecosystem, including different species, genetic diversity, and ecological diversity. It plays a crucial role in maintaining the stability of ecosystems. High biodiversity increases the chances that an ecosystem will be able to survive a disturbance, such as a natural disaster or human activities. This is because different species have different roles and functions, and a diverse ecosystem is more resilient and adaptable to changes.
For example, in a forest ecosystem, a diverse community of plants, animals, and microorganisms interact and depend on each other. If there is a disturbance, such as a forest fire, a diverse ecosystem can recover more quickly because different species have different strategies for survival and can fill in the vacant ecological niches left by the disturbance.
In contrast, low biodiversity makes an ecosystem more vulnerable to disturbances. If an ecosystem has low diversity and one species is severely affected by a disturbance, such as a disease outbreak, the entire ecosystem can be destabilized. This can lead to a chain reaction, affecting other species that depend on the affected species, and ultimately leading to a collapse of the ecosystem.
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Legumes are desirable during crop rotation. Give reasons
Answer:
Legumes put nitrogen back into the soil after it's been depleted by another crop.
Leguminous crops provide shelter for soil bacteria like rhizobium.
Rhizobium (plural: Rhizobia) is the nitrogen fixing bacteria present mainly in the soil. The Rhizobia chemically convert the nitrogen from the air to make it available for the plant. These bacteria live in symbiotic relationship with leguminous plants. The Rhizobia live in nodules in the roots of the plant. These bacteria convert atmospheric nitrogen to nitrates and nitrites which can be used by the plants directly. Nitrogen
Explanation:
What happens to Earth when large magnetic storms from the sun bombard our atmosphere?
Answer:
The solar wind's magnetic field interacts with the Earth's magnetic field and transfers an increased energy into the magnetosphere. ... The frequency of geomagnetic storms increases and decreases with the sunspot cycle.
Explanation:
Answer:
The answer to the question: What happens to Earth when large magnetic storms from the sun bombard the atmosphere? would be: most of the radiation from the sun´s magnetic storm hits the Earth´s own magnetic fields and is reflected from the atmosphere, otherwise life on Earth would not be possible, and the energy charges the magnetosphere and can damage certain devices such as satellites, and can damage communication systems, as well as electrical systems.
Explanation:
These magnetic sun storms, are called solar flares, and could be deadly were it not for the Earth´s powerful magnetic fields. These fields, called magnetosphere, are entrusted with the task of reflecting back most radiation from the sun and space itself, protecting life. In the poles, for example, it is possible to see the interaction between solar flares and the magnetic shields of Earth in the boreal lights. However, one problem for us is that the energy released by the interaction can bring down satellites and most oftenly knocks down communication systems on Earth. This energy can also overcharge electrical systems.
Over heating an enzyme results in the enzymes loss of
Answer:
ability to catalyze a reaction
Explanation:
Because it causes denaturation of the protein, but no chemical or electrical changes.
Overheating an enzyme results in 'denaturation,' causing the enzyme to lose its specific three-dimensional shape and function. This can be caused by changes in temperature, pH, or chemical exposure. The active site of an enzyme where substrate molecules bind is sensitive to these changes.
Explanation:Overheating an enzyme leads to denaturation. This is the loss of a protein's three-dimensional shape, which is essential for its specific function. Enzyme denaturation can happen due to changes in temperature, pH, or exposure to chemicals. When enzymes are heated above their optimal temperature, the increased energy disrupts the chemical bonds holding the enzyme's structure together, causing the enzyme to lose its shape and function. An example of this is the reaction of the egg albumin protein when cooked; it changes from clear to opaque due to denaturation.
Each protein, including enzymes, has an active site - a region where substrate molecules bind for a chemical reaction to take place. This active site is sensitive to its local environment's conditions, including temperature. A rise in temperature can increase reaction rates but overheating, on the other hand, would lead to the denaturation of the enzyme, rendering the enzyme functionless. Similarly, changes in pH can affect enzyme function.
An understanding of these concepts is essential in thermoregulation and homeostasis study, as the body's enzymatic activities are greatly influenced by temperature. This is observable in how enzyme activities double with every ten-degree centigrade rise. However, extreme temperatures leading to denaturation would disrupt these activities.
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Which process must occur for a muscle to be able to relax?
A. Myosin and actin must attach to each other.
B. The amount of ATP in the neuromuscular junction must increase.
C. The concentration of calcium in the myofibril must decrease.
D. A nerve must initiate an action potential in the muscle fiber.
Answer:
C. The concentration of calcium in the myofibril must decrease.
Explanation:
As soon as the stimulus which causes myofibril to contract stops, its time for muscle to relax.
A low calcium level in the sarcoplasm is the utmost requirement of muscle relaxation otherwise sliding of myosin will continue and muscle will keep on showing contraction. In order for muscle contraction, calcium ion i.e. Ca²⁺ must come out of the sarcoplasmic reticulum so for relaxation reverse process occurs i.e. Ca²⁺ is pushed back to the sarcoplasmic reticulum. There are many pumps known as "calcium pumps" which facilitate this process. Now, the concentration of Ca²⁺ becomes comparatively low in the sarcoplasm which causes troponin C to detach from Ca²⁺. Their detachment causes actin and myosin to detach from each other too which finally leads to muscle relaxation.
Based on the body structures of these animals, which two conclusions are scientifically sound?
Answer:
what are the animals?
All Bacteria are ___________.
A. Prokaryotes
B. Eukaryotes
C. Unicellular
D. Multicellular
E. Autotrophs
F. Heterotrophs
A. Prokaryotes
C. Unicellular
D. Heterotrophs
They are all Prokaryotes
What is a chemical reaction?Explain this in terms of reactants,products,conservation of mass,and biosynthesis.
Answer:This law states that, despite chemical reactions or physical transformations, mass is conserved — that is, it cannot be created or destroyed — within an isolated system. In other words, in a chemical reaction, the mass of the products will always be equal to the mass of the reactants.
Explanation:
What geological feature is located below an active volcano?
A. Caldera
B. Branch pipes
C. Magma chamber
D. Subduction zone
Answer:
C. Magma chamber
Explanation:
A magma chamber is a geological feature that lies below an active volcano.
Magma chamber is a pool of magma which sits below an active volcano and feeds it with molten rocks through volcanic pipes or fracture within the earth. It is the source of magma for the volcanic process.
A caldera is a landform which which is formed as a result of the collapse of a volcano. It extends to a few kilometers in diameter.
A subduction zone is a convergent plate margin in which the denser plate goes beneath the lighter one. An example is an oceanic crust going beneath the continental crust due to its higher density.
Answer: Subduction zone is a geological feature located below an active volcano.
Explanation:
help me please :):
Steady state theorists support the perfect cosmological principle, which suggests the universe looks the same from all directions, but over time.
Answer:
The correct answer or fill in would be- but Change and evolve over time.
Explanation:
The perfect cosmological principle is a extended version of the cosmological principle. The perfect cosmological principle says that the universe is look same from all directions but can be change and evolve with time.
Steady state theory supports this theory as it also says that universe is expanding but also maintain its density even though it continuously creates stars and galaxies but still look same.
Thus, the correct answer is - but Change and evolve over time.
Final answer:
The Steady State Theory, an alternative to the Big Bang, proposes an unchanging universe with continuous creation of new matter to maintain constant density, but was disproved by observations like the Cosmic Microwave Background Radiation.
Explanation:
The Steady State Theory is a cosmological model that was a popular alternative to the Big Bang theory in the mid-20th century. Developed by Fred Hoyle, Hermann Bondi, and Thomas Gold, the Steady State Theory posits that the universe is expanding, and as galaxies move further apart, new matter is continuously created to fill the resultant space, maintaining a constant density. This theory supports the Perfect Cosmological Principle, suggesting that the universe is homogeneous and isotropic not only in space but also in time, avoiding the need for a universe with a beginning and working around the issue of heat death due to exponential expansion.
However, key observations such as the Cosmic Microwave Background Radiation and evidence of the evolution of galaxies and large-scale structures have considerably weakened the support for the Steady State Theory. The CMB's perfect blackbody spectrum across all directions directly contradicts the predictions of Steady State cosmology and aligns with the Big Bang model, ultimately leading to the theory falling out of favor among cosmologists.
Seismic wave speeds change with respect to temperature, pressure, and rock composition. How does this information help scientists?
Answer:
Seismic waves travel faster in denser rocks; temperature tends to lower the speed of seismic waves; and pressure tends to increases the speed. Caution: The speed of a seismic wave generally increases with depth, despite the fact that the increase of temperature with depth works to lower the wave velocity.
this helps scientists because it shows how fast a earthquake is moving
Explanation:
Changes in seismic wave speeds due to factors like temperature and rock composition enable scientists to create 3D images of Earth's interior similar to CT scans, helping them to understand the planet's structure, composition, and dynamic processes.
Understanding how seismic wave speeds change due to temperature, pressure, and rock composition aids scientists in constructing detailed images of the Earth's interior. As seismic waves move through different materials, their velocity changes, which can reflect changes like phase transitions, for example, from solid to liquid, indicating the presence of molten rock. Scientists utilize this knowledge to refine models such as the Preliminary Reference Earth Model (PREM), which posits expected materials' properties at various depths. When seismic waves are detected at different seismograph stations, the data can show variations in rock densities, compositions, or phase states due to the differing travel times and behaviors of P-waves and S-waves. This process is analogous to medical imaging techniques like CT scans and ultrasounds, which allow scientists to map the Earth's various layers, much like a three-dimensional scan, revealing information about the core, mantle, and crust.
A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?
A population that is growing exponentially in the absence of limiting factors can be illustrated by a J-shaped curve.
A curve with J-shaped growth is produced when the population density suddenly increases in an exponential/logarithmic form.Subsequently, this curve (J-shaped curve) then stops unexpectedly due to seasonality or different factors.This type of curve is produced when individuals are situated in a new environment.In conclusion, a population that is growing exponentially in the absence of limiting factors can be illustrated by a J-shaped curve.
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Cells regulate protein synthesis and protein activity. Discuss two specific mechanisms of protein regulation in eukaryotic cells
Two specific mechanisms of protein regulation in eukaryotic cells are transcriptional control and post-translational modifications.
Explanation:In eukaryotic cells, there are two specific mechanisms of protein regulation: transcriptional control and post-translational modifications.
Transcriptional control:Eukaryotic cells can regulate protein synthesis by controlling the rate of transcription. This involves the binding of transcription factors to the DNA promoter region, either enhancing or inhibiting the initiation of transcription. By regulating transcription, cells can control the amount of mRNA produced, which ultimately determines the amount of protein that is synthesized.
Post-translational modifications:After translation, proteins can undergo various post-translational modifications that can alter their activity. Examples of post-translational modifications include phosphorylation, acetylation, and glycosylation. These modifications can change the structure, stability, and function of the protein, thereby regulating its activity within the cell.
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How are cellular respiration and photosynthesis related?
A.
Both occur in the nucleus.
B.
Plants only need photosynthesis.
C.
The output of one is the input of the other.
D.
Photosynthesis requires enzymes and respiration does not.
Answer: C. the output of one is the input of the other
Cellular respiration is interrelated with photosynthesis because the product of photosynthesis is a substrate for cellular respiration, hence option c output of one is the input of the other.
What is the relation between photosynthesis and cellular respiration?Photosynthesis is a light-dependent process to make metabolic product glucose for energy, a carbon-containing compound.
Cellular respiration is the process to extract energy from metabolic products and convert into the form of ATP, this ATP is used by cells as an energy currency.
Cellular respiration depends on photosynthesis for the metabolic substrate to extract energy during the process.
Therefore photosynthesis is related to cellular respiration, the output of one is the input of the other process, hence option c is correct.
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which of the following is true regarding active transport
Answer:
It occurs against Concentration gradient
Explanation:
Transport of molecules from lower concentration to higher concentration to maintain a steep gradient.
Active transport occurs against the concentration gradient, which is the last option as energy is used for this process, and in the cell, ATP-like molecules are used for such a process.
What is the significance of the active transport in the cell?Active transport is a type of cellular transport that requires energy to move molecules or ions across a biological membrane against a concentration gradient and allows substances to be transported from an area of lower concentration to an area of higher concentration and regulates the levels of various ions and molecules within a cell.
Hence, active transport occurs against the concentration gradient, which is the last option as energy is used for this process, and in the cell, ATP-like molecules are used for such a process.
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The main result of photosy
nthesis is
Oxygen gas released into atmosphere
Answer:
In plants, glucose is produced as a result of photosynthesis. Plants need the energy glucose provides in order to grow and reproduce. Glucose is also required for the process of cellular respiration, in which plants convert carbon dioxide from the air into oxygen.
not mine! source: https://sciencing.com/produced-result-photosynthesis-7189979.html
What condition is required for fermentation to occur?
The condition required for fermentation to occur is when the oxygen levels within a cell are too low for aerobic respiration.
Further Explanation:Cellular respirationThis is the process by which food substances such as glucose are broken down to yield energy in the form of ATP for the cells. The energy is then sued to drive cellular activities such as transport and cell division.Cellular respiration is classified into two;Aerobic respiration.Aerobic respiration is a type of respiration that takes place in living organisms in the presence of oxygen gas.The process involves the breakdown of organic compounds such as glucose to yield energy in the form of ATP and carbon dioxide together with water as byproducts.Anaerobic respiration/Fermentation Anaerobic respiration on the other hand is a type of respiration that occurs in absence of oxygen gas or in presence of low levels of oxygen gas in the cells.It involves the breakdown of organic compounds to form small amount of energy in the form of ATP and ethanol or lactic acid as byproducts.Anaerobic respiration/Fermentation occurs in two stages;Glycolysis; One glucose molecule is broken down to pyruvate and two molecules of ATP are formed.Fermentation; This is the second stage of anaerobic respiration, pyruvate from glycolysis can undergo various steps depending on the living organism. It can be converted to ethanol or lactic acid together with carbon dioxide.Keywords: aerobic respiration, anaerobic respiration, Glycolysis, Fermentation.
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Subject: Biology
Topic: Cellular Respiration
Sub topic: Aerobic and anaerobic respiration
In anaerobic circumstances, where oxygen is absent, helpful microorganisms like yeast, mould, and bacteria that get their energy from fermentation are present.
A material decomposes through the process of fermentation into a simpler substance. Through a process called fermentation, carbohydrates are changed into new products by microorganisms in a chemical reaction.
When muscle cells' ability to satisfy their own energy demands through aerobic respiration is compromised, this can happen.
Alcoholic fermentation and lactic acid fermentation and are the two forms of fermentation.
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Which is the relationship between photosynthesis and cellular respiration?
Answer:
Photosynthesis and cellular respiration are connected through an important relationship. This relationship enables life to survive as we know it. The products of one process are the reactants of the other. Note that the equation for cellular respiration is the direct opposite of photosynthesis:
cellular respiration: C 6 H 12 O 6 + 6O 2 → 6CO 2 + 6H 2 O
photosynthesis: 6CO 2 + 6H 2 O → C 6 H 12 O 6 + 6O 2
In both processes, energy is generated at the cellular level
Explanation:
Photosynthesis makes glucose that is used in cellular respiration to make ATP. Glucose is converted back to carbon dioxide, which is used in photosynthesis. While water breaks down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water. While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the oxygen released that is used by us and other organisms for cellular respiration. We breathe that oxygen, which is transported through our blood to all our cells. In our cells, oxygen allows it to process cellular respiration. Cellular respiration works best in the presence of oxygen. Without oxygen, much less ATP would be produced.
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the path through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis takes carbon dioxide out of the atmosphere. The exchange of carbon dioxide and oxygen during photosynthesis (Figure below) and cellular respiration throughout the world help to maintain atmospheric levels of oxygen and carbon dioxide at a stable level.
Photosynthesis and cellular respiration are interrelated, photosynthesis captures sunlight to turn water and carbon dioxide into glucose and oxygen, while cellular respiration uses oxygen to break down glucose, thereby releasing energy and creating water and carbon dioxide. These processes complement each other, forming a cycle of energy conversion and matter recycling in ecosystems.
Explanation:The relationship between photosynthesis and cellular respiration is quite intricate as they are interrelated, complimentary biological processes. Photosynthesis is a process that occurs in plants, where energy from sunlight is captured and used to convert carbon dioxide and water into glucose (a carbohydrate) and oxygen. On the other hand, cellular respiration is a process that happens in all living cells, where glucose is broken down in the presence of oxygen to produce carbon dioxide, water, and release energy.
Thus, the output products of photosynthesis serve as the input reactants for cellular respiration and vice versa, creating a sustainable cycle of energy conversion and matter recycling in the ecosystem.
One uses light energy absorbed by chlorophyll to produce organic molecules, while the other breaks down those molecules to harness the stored chemical energy. Plants being unique, contain both chloroplasts for photosynthesis as well as mitochondria for respiration. These reciprocal interactions between photosynthesis and cellular respiration make them powerhouse processes that allow organisms to survive, grow, and reproduce.
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A manufacturing plant has been found guilty of polluting the nearby river. This is _______ pollution. A. water-table B. open-field C. nonpoint source D. point source
Answer: D. Point source
Explanation:
The point source pollution is caused by a single pollutant the origin of which is known and can be easily track back. For example a sewage drainage or industrial discharge in an water body.
The manufacturing plant was found guilty of polluting the water is the example of point source pollution because it's source of origin is single, known and can be track back.
Answer:
D. point source
Explanation:
Distinguish between structural and optical isomers in carbohydrates, describing examples of each.
Answer:
STRUCTURAL isomers have the same molecular formula but their atoms are linked in different sequences. For Example, fructose and glucose are structural isomers because, although they have the same molecular formula (C6H12O6), glucose contains an aldehyde group (it is an aldose) and fructose contains a keto group (it is a ketose).
In contrast, OPTICAL isomers are identical in every way except that they are mirror images of each other. The two ring forms of glucose, alpha and beta glucose, are optical isomers, being two mirror image forms.
Final answer:
Structural isomers have the same molecular formula but different structures, while optical isomers differ not only in structure but also in three-dimensional arrangement. An example of a structural isomer in carbohydrates is glucose, and an example of an optical isomer is d-glucose.
Explanation:
Structural isomers are organic compounds with the same molecular formula but different structures. They differ in the arrangement of atoms and cannot be converted from one to the other without breaking covalent bonds. An example of a structural isomer in carbohydrates is glucose , which has different structural forms known as the d- and l- isomers.
Optical isomers, also known as enantiomers, are a type of isomer that not only differ in structure but also in three-dimensional spatial arrangement. Optical isomers are optically active, meaning they can rotate plane-polarized light in opposite directions. An example of an optical isomer is d-glucose, which has four chiral carbons that cause it to rotate light in a specific direction.