Answer:
atmosphere and hydrosphere.
Explanation:
Answer:
atmosphere and hydrosphere i hope this helps
Explanation:
A hawk swoops down and catches a squirrel as prey. The squirrel provides energy for the hawk. What happens to the rest of the food molecule
Answer: the food that the hawk eats will become waste and will drop into dirt. witch will make the dirt fertile. and then a plant will grow the squirrel will eat the plant and the hawkwill eat the squirrel.
Explanation:
Answer:
The molecules get converted to other types of molecules.
Explanation:
In a food chain or food web, the total amount of matter remains constant. When the hawk consumes the squirrel for food, the squirrel provides energy for the hawk. The rest of the food molecules get converted into other molecules in the hawk's body. These molecules will break down into nutrients in the soil when the hawk dies. These nutrients will, in turn, be used by grasses and trees.
3.
Transcription of a _______
results in a molecule of _______.
a. RNA: DNA
b. gene: RNA
c. cytoplasm: gene
d. nucleus: DNA
Answer:
b
Explanation:
because the answer is obvious
Transcription is the process of copying a gene into RNA, specifically messenger RNA (mRNA). This process occurs in the nucleus and the resulting mRNA is used to synthesize proteins in the cytoplasm.
Explanation:Transcription is the process by which a gene is copied into a molecule of RNA. This process occurs in the nucleus of the cell. The resulting molecule of RNA is called messenger RNA (mRNA), which carries the genetic information to the cytoplasm, where it serves as a template for protein synthesis.
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Fill in the blank.
1. Red blood cells are a type of specialized cell that move
and carbon dioxide
throughout the body.
2. A structure made of two or more tissues working together to achieve a common function is a/an
4. A/An
5. In
describes the degree of specialization that a cell is able to undergo.
cell can differentiate into all cell types found within an embryo.
organisms, all cellular activities take place within a single cell.
Respond to the following based on your reading.
6. Choose a specialized cell type mentioned within the reading (blood cell, muscle cell, or
neuron). Do some outside research to understand the tissue this specialized cell is a part of
and what organ and organ system it belongs to.
Answer:
oxygen
organ
Potency
pluripotent
unicellular
Student answers will vary. As an example, a group of neurons together may form nervous tissue. Nervous tissue can be found all over the body, but a large collection of it is located in the brain. The brain is a complex organ composed of nervous tissue. The brain is part of the organ system known as the nervous system.
Explanation:
penn foster
The given blanks can be filled as follows:
1. The Red blood cells or RBCs can be defined as the specialized cells which are responsible for transporting carbon dioxide and oxygen throughout the body.
The component hemoglobin present in the red blood cells is responsible for carrying oxygen and carbon dioxide
2. An organ can be defined as a structure that is composed of two or more tissues similar tissues that work color in order to achieve a common function.
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Which of the following fields of study relates to the way that human cultures govern and make laws, including laws
about the environment?
Answer:
Political science
Explanation:
Political science can be described as a field under which the systems of the politics and analysis of political activities are done. This field analyzes the various political reforms which might have occur in the past and how politics can be made better. The scientific analysis of the political activities also comes under the branch of political science.
Primary productivity is not limited by
a. the availability of sunlight
b. time
the availability of nutrients
d. access to water
oo
Please select the best answer from the choices provided
OOOO
Answer:
Time
Explanation:
During photosynthesis availability of sunlight, nutrients and water are essential. Water is split into hydrogen ion and oxygen atoms. The sunlight provides energy that is used to split water molecules. However, time is an independent factor in primary productivity.
Can someone answer all these questions for me :(
(1) Arrows E and F indicate the addition of energy.
(2) The term endothermic is used to describe the situation when energy is added into a system from the surroundings.
(3) Arrow D indicates the release of energy.
(4) The term exothermic is used to describe the situation when energy is released into the surroundings by the system.
Fusion/melting: This is the process of a solid changing to a liquid. It requires energy to break the bonds between the solid particles.Solidification/freezing: This is the process of a liquid changing to a solid. It releases energy as the particles bond together.Boiling: This is the process of a liquid changing to a gas. It requires energy to break the bonds between the liquid particles and allow them to escape as a gas.Condensation: This is the process of a gas changing to a liquid. It releases energy as the particles bond together.The energy added or released in a phase change is determined by the difference in energy between the two states of matter. For example, the energy required to melt a solid is greater than the energy required to freeze a liquid, because the solid particles are more tightly bonded together.Please help asap!
what do the squares in a pedigree represent?
A) Females in a family
B) Males in a family
C) All the children under age 18 in a family
D) All adults over the age of 18 in a family
Early-onset Alzheimer’s disease affects people under the age of 65. Less than five percent of people who are diagnosed with Alzheimer’s disease have this type. Many cases of early-onset Alzheimer’s disease are inherited, a type known as familial Alzheimer’s disease (FAD). Which statement is best supported by this information?
Answer:
With respect to the cases of early-onset Alzheimer’s disease are inherited, a type known as familiar Alzheimer’s disease (FAD), the statement is best supported by this information is that FAD is the result of a genetic change in one or more chromosomes.
Explanation:
Options for this question:
FAD is the result of a genetic change in one or more chromosomes.Natural selection will continue to reduce the incidence of FAD.FAD affects only the genes of middle-aged people.Deletion of one amino acid causes FAD.Alzhaimer's disease is a type of dementia that is characterized by neuronal degeneration, causing disorientation, memory and manual skills loss , among others. The familiar variety (FAD) is hereditary and is associated as a cause of disease and early Alzhaimer, before 60-65 years.
So far, three types of mutated genes related to FAD have been established:
PSEN₁ or presenilin-1 gene , more frecuent.APP or amyloid precursor protein gene. PSEN₂ or gene for presenilin-2, very rare or uncommon.In some cases, people affected by FAD have alteration in more than one gene at the same time.
For this reason, it can be stated that FAD is the result of a genetic change in one or more genes or chromosomes.
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Which of the following infectious agents cannot live outside of a human body for extended periods of time?
A.
mycobacteria
B.
salmonella bacteria
C.
trichophyton fungi
D.
human immunodeficiency virus
Answer:
D
Explanation:
Dhdhdh
Which of these statements describes the worst-case scenario?
A. A species is moved from the endangered list to the threatened list.
B. A species is moved from the threatened list to the endangered list.
C. A species is placed on the endangered species list.
D. A species is moved from the endangered list to the extinct list.
Answer:
the correct one is D :)
A species is moved from the endangered list to the extinct list describes the worst-case scenario. So, the correct option is D.
What is an Endangered species?A species that is threatened with extinction in the not-too-distant future, either globally or within a certain political jurisdiction, is known as an endangered species. Invasive species, habitat degradation, poaching, and other issues may put endangered animals in danger.
An organism that faces extinction is referred to as an endangered species. The two main factors that cause a species to become endangered are habitat loss and genetic diversity loss. An organism that faces extinction is referred to as an endangered species. The two main factors that cause a species to become endangered are habitat loss and genetic diversity loss.
Therefore, the correct option is D.
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Question 24 of 34
1 Point
The diagram below shows the structure of a protein. What is the structure
labeled A?
8
000000
89000
Doo00
00000
000000
09
O
A. A nucleotide
O
B. An amino acid
O
C. A nucleic acid
O
D. An enzyme
Answer:
An amino acid (B)
Explanation:
The diagram shows the structure of a protein. The structure labeled A represents an amino acid.
Proteins are made up of long chains of amino acids that are linked together by peptide bonds to form a polypeptide chain. The specific sequence and arrangement of amino acids in a protein determine its unique three-dimensional shape and function.
The structure labeled A in the diagram of the protein is an amino acid. Amino acids are the building blocks of proteins, and each protein consists of a chain of amino acids joined together by peptide bonds.
The structure of an amino acid consists of an amino group (-NH2), a carboxyl group (-COOH), and a side chain (R group) that varies between different amino acids.
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explain what maria and craters are and how they formed?
Maria and craters are explained below:
Explanation:
The Moon is divided into light area lunar highlands and a dark area called Lunar Maria. Lunar Maria is large, dark, basaltic plains formed on earth's moon formed by ancient volcanic eruptions. Craters are formed when an impacting object falls and hits the moon's surface with greater speed and also formed as a result of the outward explosion of rocks. Craters are often caused by asteroids and meteorites with the lunar surface. Unlike earth-moon does not have an atmosphere to protect itself from impacting bodies. This is the reason for more number of craters formed on earth.
Compounds that are usually smaller and contain mainly ionic bonds are: simple compounds, complex compounds, organic compounds and inorganic compounds
Answer:
Compounds that are usually smaller and contain mainly ionic bonds are inorganic compounds
Explanation:
Inorganic compounds are those compounds that don't contain C-H bond and are bonded by ionic bonds. Due to the bonding with ionic bonds, they are rigid, have high melting and boiling points. Inorganic compounds are generally good conductor of electricity and are most abundantly found on earth. Inorganic compounds usually contain some type of metal like alkali, alkaline,etc which is the reason for their reason for the conductivity of electricity.describe what happens during the process of crossing over
Answer:
crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis . At that stage each chromosome has replicated into two strands called sister chromatids. The two homologous chromosomes of a pair synapse, or come together. While the chromosomes are synapsed, breaks occur at corresponding points in two of the non-sister chromatids, i.e., in one chromatid of each chromosome. Since the chromosomes are homologous, breaks at corresponding points mean that the segments that are broken off contain corresponding genes , i.e., alleles. The broken sections are then exchanged between the chromosomes to form complete new units, and each new recombined chromosome of the pair can go to a different daughter sex cell. Crossing over results in recombination of genes found on the same chromosome, called linked genes, that would otherwise always be transmitted together. Because the frequency of crossing over between any two linked genes is proportional to the chromosomal distance between them, crossing over frequencies are used to construct genetic, or linkage, maps of genes on chromosomes. Mutations , temperature changes, and radiation all affect crossing over frequency. Under the microscope, a crossover has the appearance of an X and is called a chiasma.
Explanation:
Which of the following mRNA sequences could code for the polypeptide met-arg-ser-leu-glu?
5' ATGGAGGTTCGATGCGTA 3'
5' AUGAGUAGCUUCGAGUGG 3'
5' AUGCGUAGCUUGGAGUGA 3'
5' AUGCUAAAUGUGCGAUGA 3'
Answer:
5'-AUGCGUAGCUUGGAGUGA-3'
Explanation:
(a) Break the string into triplets.
5'-AUG-CGU-AGC-UUG-GAG-UGA-3'
The string contains six codons.
The initiation codon is AUG (Met)
That eliminates Options 1 and 4.
(b) Identify the stop codon
There are six codons, so the sixth is the stop codon, which must be UAA, UGA, or UAG .
That eliminates Option 2, which ends with UGG.
The correct answer must be Option 3.
(c) Check
Translate the codon string.
5'-AUG-CGU-AGC-UUG-GAG-UGA-3
met arg ser leu glu stop
That's the correct sequence.
during translation, the code for genetic information changes from-
A. proteins to amino acids
B. nucleic acids to amino acids
C. proteins to nucleic acids
D. amino acids to nucleic acids
Answer:B. nucleic acids to amino acids
Explanation: During translation, proteins are synthesized from messenger RNA molecule. Messenger RNA (mRNA) is a type of ribonucleic acid that contains genetic codes which code for amino acids. A genetic code or codon is a triplet of nucleotide (three nucleotide molecules) that codes for a specific amino acid. During translation, the genetic code in an mRNA is read by the ribosome and the information is converted to an amino acid sequence by transfer RNA (tRNA) which gets the amino acid coded for by the codon and attaches it to the growing polypeptide chain.
Transfer RNA is responsible for fetching the correct amino acid coded for by the codon from the cytosol and attaching it to the growing polypeptide sequence.
why are diploid cells abbreviated 2n and haploid cells abbreviated 1n
Answer:
Diploid cells abbreviated 2n and haploid cells abbreviated 1n because 'n' represents number of chromosome present in the cell. In haploid cells the number of chromosome is half in number while in diploid cells the number of chromosome is double so that's why haploid is abbreviated as 1n and diploid is abbreviated as 2n.
Diploid cells are present in body cells while haploid cells are found in sex cells.
Diploid cells (2n) have two chromosome sets, one from each parent, while haploid cells (1n) have one chromosome set.
Diploid cells are abbreviated as 2n and haploid cells as 1n to represent the number of sets of chromosomes present in each cell type.
1. Diploid Cells (2n):
- Abbreviation: 2n
- Explanation: Diploid cells contain two sets of chromosomes, one set inherited from each parent. In humans, for example, a diploid cell contains 46 chromosomes, organized into 23 pairs. Each pair consists of one chromosome from the mother and one from the father. The "2" in 2n signifies that there are two sets of chromosomes.
2. Haploid Cells (1n):
- Abbreviation: 1n
- Explanation: Haploid cells contain only one set of chromosomes. These are typically the reproductive cells, such as sperm and egg cells in humans. A haploid cell contains half the number of chromosomes found in diploid cells, which is 23 in humans. The "1" in 1n signifies that there is a single set of chromosomes.
The abbreviations help distinguish between the two types of cells and their respective chromosome counts, indicating the fundamental difference in their genetic composition.
experiment that will look into the effect of wind speed on rate of transpiration
Final answer:
One experiment that can investigate the effect of wind speed on the rate of transpiration is to set up different plants in containers with varying wind speeds. The rate of transpiration can be measured by weighing the plants before and after a certain period of time.
Explanation:
One experiment that can investigate the effect of wind speed on the rate of transpiration is to set up different plants in containers with varying wind speeds. Each container should have a plant with a similar size and number of leaves. The wind speed can be controlled by using fans of different strengths. The rate of transpiration can be measured by weighing the plants before and after a certain period of time. The plants exposed to higher wind speeds are expected to have a higher rate of transpiration compared to those with lower wind speeds due to increased evaporation.
How does G0 help explain why brain and spinal cord injuries don’t heal or take longer to heal
Answer:
Damage to the spinal cord rarely heals because the injured nerve cells fail to regenerate. The regrowth of their long nerve fibers is hindered by scar tissue and molecular processes inside the nerves. Scientists in now report that help might be on the way from an unexpected quarter.
Nerve Cells Do Not Renew Themselves After an injury, the skin makes a bunch of new cells and uses them to heal your wound. Yet, nerve cells in your brain, also called neurons, do not renew themselves. They do not divide at all. ... When there is a glitch in the blood supply to the brain, also called a stroke, neurons die.
Explanation:
The G₀ phase describes a cellular state outside of the replicative cell cycle.
so nothing replicates itself out side of this cell
A homozygous round seeded plant is crossed with a homozygous wrinkled seeded plant. What are the genotypes of the parents?
Answer:100% heterozygous Rr
Explanation:RR x rr
A hozygous round seeded plant is crossed with a hozygous wrinkled seeded plant, the genotypes of the parents -
RR - hozygous round seeded plantrr - hozygous wrinkled seeded plantLet us assume, it follows the Mendelian inheritance pattern where,
R - Round is a dominant allele
r - Wrinkle is a recessive allele
The round seed is hozygous which means it is purebred or has both dominant alleles so it will be RR.The wrinkled seed is hozygous which means it is also purebred or has both recessive alleles so it will be rr.thus, the genotypes of the parents -
RR - hozygous round seeded plantrr - hozygous wrinkled seeded plantlearn more:
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In a scale model of the Solar System, if the Sun is represented by a ball with a diameter of about 8 inches, about how far away would Neptune be?
A.
700 inches
B.
700 yards
C.
700 miles
D.
700 feet
Answer:
b or c im not sure sorry
Explanation:
Assuming the scale model of the Solar System is 1:10,000,000 (meaning each inch on the model represents 10,000,000 inches in the actual Solar System), we can use the following steps to estimate the distance from the Sun (represented by an 8-inch ball) to Neptune in the model:
What is the distance between Sun and Neptune ?Find the actual diameter of the Sun in miles. According to NASA, the diameter of the Sun is about 864,938 miles.
Divide the actual diameter of the Sun by the scale factor to find the diameter of the Sun in the model.
864,938 miles / 10,000,000 = 0.0864938 inches
The diameter of the Sun in the model is about 0.086 inches (rounded to three decimal places).
Find the actual distance from the Sun to Neptune in miles. According to NASA, the average distance from the Sun to Neptune is about 2.8 billion miles.
Divide the actual distance from the Sun to Neptune by the scale factor to find the distance from the Sun to Neptune in the model.
2.8 billion miles / 10,000,000 = 280 inches
Therefore, in the scale model of the Solar System where the Sun is represented by a ball with a diameter of about 8 inches, Neptune would be about 280 inches away.
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Which feature of this rock demonstrates that it is an organic rock
Answer: c
Explanation:
The area where an organism lives its life including the living and nonliving factors
Answer:
habitat
Explanation:
The area where an organism lives its life including the living and nonliving factors is known as the Habitat.
What is Habitat?Habitat may be defined as a type of natural environment for which a particular species is best adapted due to natural selection. It may also be characterized as the area where the basic demands of an organism are fulfilled like food, shelter, space, mating partner, etc.
It is an ecological principle that no organism can have the ability to survive outside of its habitat for a long time. This is because it is a set of environmental conditions or factors which are extremely favorable for an organism in order to survive and reproduce naturally.
Therefore, the habitat is the area an organism lives its life including the living and nonliving factors.
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what causes changes in protein structure
Protein structure change due to many factors, change in pH and temperature can cause change in the structure of the protein.
Change in structure of the proteinPH- decreasing the pH by adding acid, the structure of protein unfold. too much increase in the pH can denature the protein.Temperature- Too much temperature or heat denature the protein by destroying the non-covalent bond.Some other factors are hydrogen bonding, hydrophobic affect, salt bridges, vander waals force etc.Thus, factors such a temperature, pH, solvation, primary and secondary structures etc.
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Carrying capacity is the maximum number of individuals an environment can support for a long period of time. What might happen when population grows larger than the carrying capacity of land?
Final answer:
If a population exceeds its carrying capacity, it will face increased competition for resources, leading to potential die-offs and fluctuation around the carrying capacity. The carrying capacity is not fixed and can change based on environmental conditions.
Explanation:
When a population grows larger than the carrying capacity of the land, several consequences can occur due to resource depletion. Firstly, there would be increased competition for limited resources such as food, water, and shelter. This can lead to a higher death rate, poorer health, and reduced reproductive rates. In some cases, the population may overshoot the carrying capacity and then experience a die-off, where the population size decreases rapidly back to or below the carrying capacity. This process usually results in the population fluctuating around the carrying capacity in an undulating fashion rather than stabilizing precisely at it.
The precise effects and the logistic growth model show an 'S-shaped' curve when a population grows and then levels off as it reaches the carrying capacity. The carrying capacity itself is not fixed and can vary up or down depending on changes in environmental conditions and the availability of resources.
Which type of population has a greater chance of surviving, one with little diversity or one with a lot? Why?
I would assume a population with greater diversity would survive above quantity because of the varying difference in the genetic capabilities.
Through the course of evolution, do species tend to become simpler or more complex?
more complex {no kap}
Jayla and her grandma are designing a lunchbox. The lunchbox will be made out
of thin fabric and a zipper, with an extra layer of material to help keep food cold
all morning, Jayla is deciding whether the extra layer of material will be foam or
rubber. The specific heat capacity of each material is shown in the table,
Material Specific Heat Capacity ulkgoc)
Foam
2360
Rubber
1250
Using the data, explain which material would be BEST to include in the
lunchbox
A. The best material to use is rubber, since it is the best conductor. A conductor will help
increase the transfer of heat from inside of the lunchbox to outside of the lunchbox
B. The best material to use is rubber, since it is the best insulator. An insulator will help slow
the transfer of heat from outside of the lunchbox to inside of the lunchbox,
C. The best material to use is foam, since it is the best conductor. A conductor will help
increase the transfer of heat from inside of the lunchbox to outside of the lunchbox
D. The best material to use is foam, since it is the best insulator. An insulator will help slow the
transfer of heat from outside of the lunchbox to inside of the lunchbox
The best material to use is foam, since it is the best insulator. An insulator will help slow the transfer of heat from outside of the lunchbox to inside of the lunchbox. The extra layer will be of foam.
Explanation:
If we compare the specific heat capacity of rubber and foam it can be found that foam has high specific heat capacity, which indicates that it is the good insulator.
An insulator is a substance in which heat exchange between medium and surrounding is very low.
Jayla and her grandma wanted their food to be cold all morning so foam as an insulator is the best choice.
Thus, high specific heat energy means large amount of energy required to raise the temperature by 1 degree in response to the mass of the substance as per unit mass.
What are the three types of symbiosis?
a. predation, mutualism, and parasitism
b. mutualism, commensalism, and parasitism
c. competition, predation, and commensalism
d. parasitism, predation, and competition
Please select the best answer from the choices provided
A
B
C
D
Explanation:
The three types of symbiosis are:
1. Mutualism: It is a relationship in which both partners benefit each other.
For example: Humans take the oxygen given by the plants. In return, plants takes carbon dioxide, which is exhaled by the Humans.
2. Commensalism: It is a relationship in which only one partner is benefitted while the other is neither benefitted nor harmed.
For example: The tree frogs use plants as a mode of protection.
3. Parasitism: It is a relationship in which one partner (parasite) is benefitted while the other (host) is harmed.
For example: The organisms such as Helminthes stays inside the intestine of the host.
It causes infectious diseases, such as jaundice,diarrhoea, etc.
Answer: its C
Explanation:
What is the Superfund?
O
A. An act that regulates the use of national parks
O
B. An act that regulates the emission of air contaminants
O
C. An act that pays to clean up massive environmental
contamination
O
D. An act that limits the carbon emissions of fossil fuel power plants
Answer: C
Explanation:
Answer:
c
Explanation: