What is the energy molecule that is being used during photosynthesis?

A. H2O

B. NADPH

C. Mitochondria

D. ATP

Answer

For a mitocondria.

The hydrogen ion reservoir is located in the matrix and ATP is synthesized in the inner mitochondrial membrane.

In the absence of ADP, the conversion of NADH to NAD+ via the electron transport chain is prevented from happening.

Glycolysis is the series of reactions by which glucose is broken down to pyruvate by the body.

NAD+ is a limiting factor in glycolysis. In the absence of ADP, the conversion of NADH to NAD+ via the electron transport chain is prevented from happening.

In conclusion, NAD+ is a limiting factor in glycolysis.

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Answer: D. Amylase

Explanation:

Amylase is a enzyme that breaks down protein present in food.

The nucleus is the  structure that directs the cell's activities of living organisms.

This is an organelle which is usually membrane bound and contains the chromosomes.

It is involved in the control of the synthesis of proteins thereby aiding the directing of the cell activities.

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An available niche after extinction can lead to speciation because it allows the emergence of genetic variation in other competing species.

Speciation is a slow process associated with the emergence of reproductive isolation barriers in a population.

These barriers lead to the absence of gene flow and eventually to the emergence of new species.

In conclusion, an available niche can lead to speciation in other competing species.

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Answer:

Refraction

Explanation:

The lens is pulled thin, allowing the light rays to refract slightly.

Answer:

B

Explanation:

genetic diversity is the biological variation that occur within species

Answer: B. This allows them to move in unison, so that when one moves in a zone every zone shifts.

Explanation:

Answer:

C) sense strand of DNA, substituting uracil for thymine.

Explanation:

The antisense strand matches the sense strand. Thymine is only used in DNA while Uracil is only used in RNA.

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The predicated frequency of homozygous dominant rats at are: 0.11 (Option A). See the explanation below.

A homozygous organism has two copies of the same allele for a gene.

If an organism has two copies of the same dominant allele, it is homozygous dominant; if it has two copies of the same recessive gene, it is homozygous recessive.

Note that the total population of rats is: 200

Number of rats with brown fur = 112

The frequency of brown fur rats thus,

112/200

= 0.56

Note that it is also stated that the brown fur rats are dominant in relation to the gray fur rats. Thus, in accordance to Hardy Weinberg's equation, the frequency of the dominant rats is depicted as: p²

Thus:

p²  + 2pq = 0.56

Hence, the frequency of the the Homozygous recessive gray rats is given as:

p² + q² + 2pq = 1

q²  = 1 - 0.56

q² = 0.44

q = 0.663

P = 1-q

= 1 - 0.663

= 0.337

Thus the frequency of the homozygous dominant rats is:
p²

= 0.337²

= 0.1135

≈ 0.11

Therefore the correct answer is A.

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Answer:

Hypertonic

Explanation:

A tonicity with a high concentration of solutes is said to be Hypertonic.    

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Tonicity with a high concentration of solutes is said to be hypertonic.

Tonicity is the ability of an extracellular solution to allow the movement of water in and out of the cell by osmosis. The terms hypertonic, isotonic and hypotonic decide the movement of water into or out of the cell.

The hypertonic solution is a kind of solution which has a high concentration of solutes (salts, electrolytes). In Biology, a cell is said to be in a hypertonic solution if the outside solution has a high concentration of solutes than the inside the cytoplasm of the cell. In this situation, there will be a net flow of water out of the cell.

The hypotonic solution is a type of solution which has a low concentration of solute. ). In Biology, a cell is said to be in a hypotonic solution if the outside solution has less concentration of solutes than the inside the cytoplasm of the cell. In this situation, there will be a net flow of water into the cell.

Isotonic solution is one which has the same concentration of water and solutes as inside the cytoplasm of a cell. If a cell is placed in an isotonic solution, there is no net water movement.

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Answer:

C. Frontal lobe

Explanation:

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The frontal lobe of the brain, behind the forehead, is strongly associated with motor function, spontaneity, impulsive behavior, judgement decisions, and social behaviors and mood.

Answer:

Blanks in the boxes (left to right, top to bottom, as you would read)

BbEE
BbEE

BbEe

bbee

Genotypes (top to bottom blanks):

12.5%

6.25%

6.25%

Phenotype (top to bottom blanks):

56.25%

18.75%

18.75%

The step that relates to the energy transformation in photosynthesis is respiration.

Respiration is the process whereby the chemical energy locked up in carbohydrates is unlocked into another energy form that is usable to living organisms.

In other words, chemical energy in carbohydrates is converted to ATP. This process can take place with (aerobic respiration) or without (anaerobic respiration) oxygen.

Carbohydrates are primarily generated from photosynthesis by green plants.

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No, I won't support research to genetically modify humans to be able to use photosynthesis for part of our energy and reduce the amount of food we need.

This is the process in which green plants manufacture their food in the presence of sunlight.

The research won't be supported as a result of the absence of the digestive system to suit the product and reducing amount of food needed will lead to wastage.

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Eubacteria and archaebacteria are organisms from the Archaea domain, whereas protists and Fungi belong to the Eukarya domain.

Prokaryotic organisms such as eubacteria (E coli) and archaebacteria (methanogens) are unicellular microorganisms whose cells do not have a cell nucleus.

Conversely, eukaryotic cells such as protists (giardia lamblia) and fungi (Yeast) have the genetic material inside the cell nuclei and membrane-bound organelles.

In conclusion, eubacteria and archaebacteria belong to Archaea, whereas protists and Fungi belong to Eukarya.

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The trophic web is the interaction between different organisms in which there is energy transference. In the attached example, we consider plants, beetle, rabbit, frog, eagle, fox, mountainlion, and fungi.

The trophic web is the interaction between different organisms involving transference of energy when some of them feed on the other ones.

The ones placed at lower levels pass energy to the ones at the higher levels.

Organisms at each level feed on the preceding one and become food for the next one.

• The first link corresponds to a producer organism -autotroph-.

• The following links are the consumers -heterotrophs- ⇒ herbivores and carnivores.

• The last links are the decomposers that degrade organic matter from dead organisms.

Because it is a web, all organisms are in equilibrium until a change occurs. When a sudden change affects any of the involved links, there can be a cascade effect on the web.

Any change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.

Example.

To make the trophic web, first, we need to have at least four links.

So first, let us list the organisms we are working with, and then define the position of each of the organisms on the web.

Producer → this is the autotroph organism that takes energy from the sun or any other inorganic source → An example of this is any plant.

Consumers → heterotroph

⇒ Herbivores → These are the animals that feed on any part of the plants → These are the beetle and the rabbit

⇒ Carnivores → These are the animals that feed on herbivores → These are the frog, the fox, the eagle, and the mountain lion

Decomposer → detritivorous organisms that take energy from dead matter → Fungi

Trophic web,

Plant >> Beetle and Rabbit

Rabbit >> Eagle

Beetle >> Frog

Frog and rabbit >> Fox

Fox and Eagle >> Mountain lion

Plants, beetle, Rabbit, Fox, Eagle, Mountain lion >> Fungi

You will find an image in the attached files.

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The correct class of the following organisms is as follows:

Domain refers to the highest rank in the classification of organisms, above kingdom.

The three-domain system are as follows:

The correct class of the following organisms is as follows:

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Answer:

Facilitated diffusion

Explanation:

Diffusion across a membrane, along a concentration gradient via membrane protiens. No energy is required hence passive.

The probability of the offspring will be 50%, 50%, and 0% respectively.

It seems the allele for the trait in question is F(f) from the image.

One parent is heterozygous while the other is homzygous.

      Ff    x    FF

   FF   FF   Ff   Ff

Probability of FF = 2/4 or 50%

Probability of Ff = 2/4 or 50%

Probability of ff = 0

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The percentage of each genotype is;

A cross is a system by which the genotype of an organism can be ascertained.

We are told that this cross is between a het--erozygous mouse with a hom--ozygous recessive mouse. Thus we have Ff and ff.

We now have the percentage of each genotype as;

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It would happen that the effectiveness of an original vaccine could become less if there was a mutation in the virus that caused the protein spike to change because the antibodies created would not be specific for the new virus.

Vaccines trigger an immune response to fight disease-causing organisms, a mutation in the virus to be fought would change the effectiveness of this immune response, as the specificity would not be the same with the mutant virus.

With this information, we can conclude that The immune response would not be specific for the new virus that caused the protein spike to change.

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Answer:

The options are not complete because the answer is neither i or ii

spleen is a secondary lymphoid organ

the correct answer is Bone marrow and thymus

Answer: Burying beetles are true to their name—they bury the carcasses of small vertebrates such as birds and rodents as a food source for their larvae.

Explanation:

they are on the endangered species list

jane goodall said that they are "nature's most efficient recyclers."

The American burying beetle is one of nature's most efficient recyclers, feeding and sheltering its own brood while returning nutrients to the earth to nourish vegetation and keeping ant and fly populations in check.

populations of prairie chickens and passenger pigeons have been reduced by the loss of the burying beetle.

biologicaldiversityorg

quizlet

Answer:

it's a watershed

Explanation:

basically it's a channel that drains/carries runoff to a common point like the lake in the picture. water, sediment, and other materials are carried by the river to the lake.

Organelle G which is the mitochondrion is responsible for producing the energy for cellular processes.

This is referred to as the power house of the cell as it is the area where ATP(energy) is produced.

The energy is produced through aerobic respiration which is then used for various forms of activities by the cells.

The complete question is:

Consider this animal cell mc 006 - 1. jpg. Which organelle is responsible for producing the energy for cellular processes?

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Answer:

the answer is B. Antigenic drift

Among the following HIV should be reportable reasons to protect public health.

HIV impairs the body's defenses against infections and leads to AIDS. Contact with contaminated blood, or fluids might result in the virus being spread. Flu-like symptoms including fever, sore throat, and exhaustion might appear a few weeks after HIV infection. Until AIDS develops, the illness is typically asymptomatic. Fatigue, fever, night sweats, and weight loss are a few of the signs and symptoms of AIDS. Despite the fact that there is no known treatment for AIDS, diligent adherence to anti-retroviral therapy (ART) can significantly decrease the disease's progression, avoid complications and secondary infections, and lengthen life. One of the primary tactics used in the prevention and control of HIV/AIDS around the world is the dissemination of information and awareness about HIV.

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Answer:False

Explanation:

Mendel' s law of independent assortment does not hold true for the genes that are located closely on. A. Same chromosome. B. Non-homologous chromosomes.