True
Explanation:
To get water in the well, the depth of the well should be deeper than the water table in that region.The water table distance from the surface is varied with the locality. It depends on the availability of the source like rain, soil type which means that the soil which has a higher percolation rate will have a high water table, etc. Hence, when we did a well and the depth should be deeper than the water table for it gets water for a long time even in summers.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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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
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
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.Some scientists speculate that lightning was not
present on early Earth. How could you modify the
Miller-Urey experiment to reflect this new idea?
What energy source would you use to replace
lightning?
Heat the broth in the Miller-Urey experiment to approximately 200 degrees centigrade / 400 degrees Fahrenheit.
Explanation:
Temperatures on early earth were very hot compared to today. This is because even after the earth was formed by collision of matter such asteroids, it took millions of years to considerably cool down and have a solid earth crust and signs of oceans. The temperatures would have plummeted to about 200 degrees centigrade to allow for a biomolecules to begin forming via chemical reactions.
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Final answer:
To adapt the Miller-Urey experiment to a hypothesis without lightning on early Earth, alternative energy sources like UV radiation or geothermal heat could be used to initiate chemical reactions in the primitive atmosphere, simulating conditions that might have led to the formation of organic molecules.
Explanation:
The question asks how one could modify the Miller-Urey experiment if it were speculated that lightning was not present on early Earth and what alternative energy source could be used instead of lightning. In the original experiment conducted by Stanley Miller and Harold Urey, they simulated early Earth's conditions by introducing a mixture of gases believed to be in the atmosphere at the time and then subjected these gases to electric sparks to simulate lightning. This led to the formation of organic molecules, demonstrating a possible path for the origin of life from inorganic matter.
To modify the Miller-Urey experiment to reflect the new idea that lightning was not present on early Earth, one could use an alternative energy source such as ultraviolet (UV) radiation or geothermal heat. Both of these energy sources would have been present on early Earth. UV radiation from the sun could act as an energy source to drive the chemical reactions in the absence of lightning. Similarly, Earth's internal heat could result in geothermal energy causing chemical reactions on the ocean floor, such as hydrothermal vents, which could simulate the energy needed for the formation of organic compounds.
Which feature of this rock demonstrates that it is an organic rock
Answer: c
Explanation:
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.
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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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.
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.
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.Why is it dangerous to eat wild mushrooms?
Some mushrooms may be poisonous. Even some that aren't poisonous, people may have unpleasant reactions to mushrooms. Even breathing the fumes can poison you.
So in general: poison
4. What substance is oxidized during cellular respiration?
ojo
O
A glucose
B oxygen
OC carbon dioxide
D water
Answer:
B
Explanation:
Oxygen
Answer:
What substance is oxidized during cellular respiration?
Carbon is oxidized from the breakdown of glucose while the oxygen is reduced
Explanation:
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.
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.
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:
Which is NOT a factor that affects fossilization?
A) age of the organism
B) hard or soft body parts
C) predators destroying the body
D) body decay due to natural elements
Answer:
I think C. predators destroying the body because it's still going to fossilize the same except the body would be in a different shape.
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.
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.
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.
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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Bella investigated how body systems work together. She made bulleted lists of body systems that have common functions. Which list includes three body systems that have similar functions?
A. -Digestive System
-Nervous System
-Skeletal System
B. -Immune System
-Integumentary System
-Lymphatic System
C. -Cardiovascular System
-Digestive System
-Respiratory System
D. -Reproductive System
-Endocrine System
-Lymphatic System
The list with similar functioning body systems is B: Immune System, Integumentary System, and Lymphatic System. These systems work together to protect the body from external harm, eliminate waste and fight infections.
Explanation:The list that includes three body systems that have similar functions is B: The Immune System, the Integumentary System, and the Lymphatic System.
The Immune System defends the body against pathogens, the Integumentary System (skin, hair, nails) protects the body from damage (such as loss of water or external harm), and the Lymphatic System helps rid the body of toxins, waste and other unwanted materials.
These systems work together to protect the body from external harm, to eliminate waste and to fight infections.
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The correct answer is C. -Cardiovascular System, -Digestive System, -Respiratory System.
These three body systems work together to provide the body with the necessary nutrients and oxygen, as well as to remove waste products. Here's how they function in a coordinated manner:
- The Digestive System breaks down food into nutrients that the body can absorb. It processes the food we eat into energy and basic nutrients, which are then absorbed into the bloodstream.
- The Cardiovascular System transports the nutrients absorbed by the digestive system to all the cells in the body. It also carries oxygen from the lungs to the cells and removes carbon dioxide and other waste products from the cells to be expelled from the body.
- The Respiratory System works closely with the cardiovascular system to oxygenate the blood. It brings oxygen into the body and removes carbon dioxide when we exhale. The oxygen is then picked up by the red blood cells and transported by the cardiovascular system to the tissues.
Together, these systems ensure that the body's cells receive the oxygen and nutrients they need to function and that waste products are removed efficiently. The other options listed do not represent systems with as closely related functions as the cardiovascular, digestive, and respiratory systems.
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.
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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Through the course of evolution, do species tend to become simpler or more complex?
more complex {no kap}
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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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.
Considering the new definition of life, all but one piece evidence supports the fact that a virus must be referred to as an organism.
That is:
es 0)
Viruses contain nucleic acids.
Eliminate
Viruses are capable of replication.
Viruses have a simple cellular structure,
Viruses have an evolutionary history and that implies lineage.
Answer:
The correct option is C) Viruses have a simple cellular structure
Explanation:
There is always a debate when considering viruses as a living thing or a non- living thing. Viruses comprise of a genetic material in the form of either DNA or RNA. They have a protein capsid and a tail. They can replicate inside a host cell by by using the host's synthetic machinery. Hence, these qualities make a virus to be considered as a living organism.
Answer:
Viruses have a simple cellular structure
Explanation:
Viruses have a simple structure consisting of a nucleic acid molecule surrounded by a protective protein shell. The nucleic acid is either RNA or DNA. Viruses are capable of replicating inside the host cell by diverting the activities of the host cell, directing it to manufacture new viral particles. The cell of the host then ruptures and releases the viral particles which can infect other cells.
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:
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.