Carbohydrate-synthesizing reactions of photosynthesis directly require chlorophyll and carbon dioxide.
What do you mean by photosynthesis?Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
The primary function of photosynthesis is to convert solar energy into chemical energy and then store that chemical energy for future use.
Photosynthesis is critical for the existence of the vast majority of life on Earth. It is the way in which virtually all energy in the biosphere becomes available to living things.
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Compare and contrast a human skin cell to a plant leaf cell. How
are they similar and how are they different?
Answer:
Both human skin cell and plant leaf cell have cytoplasm, cell membrane and a nucleus but a plant leaf cell have a cell wall and chloroplasts while a human skin cell does not have a cell wall or chloroplasts.
Explanation:
An animal cell and a plant cell have similar cell parts but a plant cell has an extra cell wall. Leaf cells also have chloroplasts to make food unlike other plant cells like root cells.
Suppose the population of one species in an ecosystem changes. Could the population of a species that it isn’t directly a prey or a predator also change?
A) Yes, all life in an ecosystem is interconnected.
B) Yes, but only if the two species are in a direct line on the food pyramid.
C) No, population changes in one species only affect the populations of its prey and its predators.
D) Yes, but only if neither species is a predator species.
Answer:
A) Yes, all life in an ecosystem is interconnected
Explanation:
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Answer:It’s A hope these helps u !
Explanation:
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Human blood type is
determined by multiple alleles (A, B, and o) Which ratio would result from a cross between a man with heterozygous Type A blood and a woman with Type O blood?
50% Type A 50% Type O
50% Type AB 50% Type O
100% Type A
100% Type O
Answer:
Explanation:
1st one
Answer:
In this problem, there is no uncertainty abt the genotype of either parent. A parent of blood type AB has the co-dominant IA and IB alleles. A parent of blood type O is homózygous recessive for the i allele.
The Punnett square for their offspring is shown to the right. The genotypes of their offspring could be either IAi or IBi. Their children could be in blood groups A or B, but not AB or O.
Explanation:
Most-likely the third one.
Please answer, photo is above thank you!
e Sudan Black
7. How many water molecules are removed when Sucrose gets broken down into glucose and
fructose?
a. 1
b. 2
C. 3
d None
PLEASE HELP! Which of the following is true of codominance?
A. One allele is dominant and one allele is recessive
B. The alleles are neither completely dominant nor recessive
C. Both alleles
D. The alleles are both dominant and both get expressed
Answer:
D
Explanation:
The answer is D, A is heterozygous so definitely not it
Which is a resource that the National Park Service manages?
memorials
wildlife refuges
ecosystems
endangered species
Answer:
ecosystems
Explanation:
The resource that the National Park Service manages is wildlife refuges. Details about wildlife can be found below.
What is wildlife?Wildlife refers to living organisms or animals that are not domesticated and lives in their natural habitat.
In their natural habitats, these wildlife animals are being killed discriminately to the point of extinction.
This led to the development of national park reserves that are responsible for the management and safety of wildlife animals.
Therefore, the resource that the National Park Service manages is wildlife refuges.
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Give an example of chemical weathering.
Answer:
Hydration, Hydrolysis, Carbonation, Oxidation, and Acidification
Explanation:
Selective breeding can produce plants and animals with
A
desired traits.
B
undesired traits.
C
extra chromosomes.
D
fewer chromosomes.
Answer:
A Desired traits
Explanation:
selective breeding is the breeding animals or plants to get desired traits.
Crospiere
What can you infer about an organism that lives in the rocky intertidal zone?
O A. They are able to withstand changes in tides.
O B. They are able to withstand changes in salinity.
OC. They are able to withstand changes in water temperature.
OD. They are able to withstand changes in air temperature.
Answer:
D
Explanation:
An organism that lives in the rocky intertidal zone are able to withstand changes in tides, salinity, water temperature and air temperature. So, the correct options are All of the above.
What is Intertidal zone?The intertidal zone is the area where the sea meets the land between high and low tide. It is also known as foreshore. It has a wide variety of habitats with different species of life such as sea stars, sea urchins and many species of coral with regional differences in biodiversity.
The intertidal zone is an ecosystem found along the ocean. In this, innumerable organisms living on the coast are saved from the change between high and low tide.
Challenges which are faces in intertidal zone include:
MoistureWaves SalinityTemperatureThus, an organism that lives in the rocky intertidal zone are able to withstand changes in tides, salinity, water temperature and air temperature. So, the correct options are All of the above.
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The main difference between the four nucleotides that make up DNA is that they have different
sugars.
uracil.
bonds.
bases.
Answer: the answer is sugars
Explanation:
The basic building block of DNA is called a NUCLEOTIDE. A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases. Note that the purine bases (adenine and guanine) have a double ring structure while the pyrimidine bases (thymine and cytosine) have only a single ring.
Students are conducting a lab estimating the time it takes for the cell cycle in normal chicken cells. They find that the average time for one complete cell cycle is 22 hours.
What differences would they expect to see in cancerous chicken cells?
A Cancerous chicken cells will spend more time in interphase.
b Cancerous cells will not complete all phases of the cell cycle.
c Cancerous chicken cells will complete mitosis in a shorter amount of time.
d Cancerous chicken cells and normal cells will have the same total time to complete the cell cycle.
Answer:C!
Explanation:
Cancerous chicken cells will complete mitosis in a shorter amount of time.
The difference they would expect to see in cancerous chicken cells is cancerous chicken cells will complete mitosis in a shorter amount of time. The correct option is c.
What are cancerous cells?Cancerous cells are those cells that cause cancer in organisms. These cells are the converted form of normal cells. The normal cells are converted into cancerous cells by the means of mutagens.
The cell cycle is the cycle of the division of a cell. The cell divides itself and forms a new daughter cell. That's how a body increases the older cells to divide and produce new cells. The process is called mitosis.
Now, the normal cells divide at a constant and normal rate that is needed, but the cancerous cells divided abnormally and rapidly which cause tumor in the body.
Thus, the correct option is c. Cancerous chicken cells will complete mitosis in a shorter amount of time.
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Which property of water explains how water droplets are absorbed by a paper towel?
Water's adhesion to other types of molecules
Water's high heat of vaporization
Water's high surface tension
Water's buffering capacity
Answer:
A. water's adhesion to other types of molecules
The property of water that explains how water droplets are absorbed by a paper towel would be its adhesion.
Adhesion refers to the force of attraction between the molecules of different substances. It is as opposed to cohesion which is the force of attraction between the molecules of the same substance.
When the adhesive force between water molecules and the molecules of another substance is greater than the cohesive force between water molecules, water will stick to such a substance. If the reverse were to be the case, water will not stick to the substance. Instead, the water molecules will form droplets on the substance.
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In mice, Gray color is considered to be dominant over white. Show the parent genotypes, the Punnett squares and give the phenotype and genotype ratios of the P1 generation: a homzygous gray mouse and a white mouse, show the F1.
Answer:
See the answer below
Explanation:
Let us assume that the gray color in mice is represented by the G allele and the white color is represented by g allele. For a cross between a homzygous gray mouse and a white mouse:
Genotype of the gray mouse - GG
Genotype of the white mouse - gg
Crossing the two parents
GG x gg
F1 Gg Gg Gg Gg
All (100%) the offspring at the F1 would have the genotype Gg and would be gray in color since G is dominant over g. (See the attached image for the Punnet's square).
A large manufacturing company releases chemicals into the air every day. The chemicals eventually make their way into local bodies of water, killing many of the organisms that live in these areas.
Which best describes this situation?
A. habitat destruction due to pollution
B. habitat destruction due to poaching
C. pollution due to poaching
D. poaching due to habitat destruction
Answer:
A. Habitat destruction due to pollution
Explanation:
What is the best way to describe the concept of “homeostasis”.
PLEASE HELP Select from the drop-down menu to correctly complete the statement. Different types of cells within an organism 1.All are the same 2.Serve a different function 3.Can survive on their own 4.Do not have any function
Answer:
The correct answer is - 2. Serve a different function
Explanation:
In a multicellular organism there are different type of the cells present and termed and differentiat on the basis of their specific function in the body or the location in the body. The different type of cells present are epithelilal cell, nerve cells, connective tissue cell and muscle cell. These cells can be further divided on their function as well such as cardiac cell, hepatic cell, nephron cells and neurons and many other cells.
All these specialized cell peroform their own function in the body such as nephrons helps in blood purification, hepatic cells help in various functon include synthesis of bile and hormones and metabolism. Cardiac muscles made up of cells that helps in puming the blood and mainataining blood flow.
a species with 16 pairs of homologs has a total of how many chromosomes in each cell?
A:58
B:32
C:16
D:8
PLS HELP
Answer:
I think B
Explanation:
Tell me if this helped
A strand of messenger RNA is attached to a ribosome and is directing protein synthesis. The next exposed codon of this messenger RNA has the code GAA. It is most likely to bond with a transfer RNA that has which amino acid?
Answer:
Glutamic acid or Glutamate
Explanation:
This question is describing the process of TRANSLATION, which is the process by which protein is synthesized from a mRNA template. In the process of translation, a molecule called transfer RNA (tRNA) reads mRNA codons and carries its corresponding amino acid to the growing polypeptide chain.
According to this question, strand of messenger RNA is undergoing translation in the ribosome. However, the next exposed codon of this messenger RNA has the code GAA. A tRNA carrying an amino acid that corresponds to the codon GAA will attach to it. This amino acid is GLUTAMIC ACID.
N.B: codon GAA encodes amino acid GLUTAMIC ACID
How does the molecule marked A enter our body
Answer:
Explanation:
A, breathing. It contains oxygen and that is what we use to breath.
Answer:
eating.
Explanation:
glucose (C6H12O6) is a monosaccharide aka a carbohydrate that we eat.
16. The primary function of the cell wall is to
A.support and protect the cell.
B. store DNA.
C. direct the activities of the
cell.
Answer:
A support and protect the cell
In ____ ecosystem decomposers breakdown dead or decaying organisms, returning nutrients to the soil to be used by plants.
a. An unstable
b. A balanced
c. A defective
i need help with this can someone help me?
Explanation:
Predation plays an important role in the overall health of an ecosystem since it regulates the population of preys as well as maintain the population of higher-level consumers. If predators were eliminated from an ecosystem, it would cause an increase of the population of preys and potentially decrease the population of other organisms on lower trophic levels. An example of such effect can be seen from the population of rabbits and plants supposing that foxes, eagles and snakes are eliminated from the ecosystem. The rabbit population will multiply, causing a decrease in the population of plants such as grass that rabbits feed on.
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Which statement below is FALSE about how surface currents affect climate?
a
Cold water currents can absorb heat and produce cooler air temperatures.
b
The temperature of the air above a certain region is what affects the temperature of the ocean's surface currents.
c
The temperature of the water at the surface of the ocean affects the air above it.
d
Warm water currents can heat air and produce warmer air temperatures.
Answer:
B
Explanation:
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A scientist used a radioactive isotope of nitrogen to label the nitrogenous bases of the DNA in a bacterial cell. The labeled cells were then allowed to grow and divide for one generation in a medium of non-radioactive nitrogen.
Describe how the distribution of radioactive DNA to the daughter cells provides evidence for semiconservative replication of the DNA molecule.
Answer:
D!
Explanation:
I Saw This Question Before! Good Luck On Your Test Thingy!
6. Which list of characteristics describes organisms classified as animals?
Answer:
Animals are heterotrophs; they must consume living or dead organisms since they cannot synthesize their own food and can be carnivores, herbivores, omnivores, or parasites
Explanation:
organisms that live in the savanna and grassland biomes have developed unique adaptions that aid in their survival which of the following organisms is most likely to be found in grassland
a bird that nests in trees
an animal that burrows
a large predatory bird
an animal not adapted to cold temperatures
Answer:
warm
Explanation:
an animal that burrows
Several different amino acids join together to form a protein. How do any two types of amino acids differ from one another?
A. the number of amino groups in the molecule
B. the number of carboxyl groups in the molecule
C. the chemical structure of the R group in the molecule
D. the number of chemical bonds formed by the central carbon atom
Describe the two flows from the carbon cycle.
Answer: Short note on carbon cycle
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
Explanation:
The genetic material of a virus consists of..?
A) DNA only
B) surface proteins
C) capsids
D) RNA or DNA
Answer:
D) RNA or DNA
Explanation:
Most viruses either have RNA or DNA as their genetic material.
Have a good day everyone :)
it can either be rna in riboviruses(hepatitis c for example) or dna in adenoviruses(like parvovirus)