What is the useful product of glycolysis for the cell?A. NAD+

B. pyruvate

C. lactic acid

D. ethyl alcohol

Answers

Answer 1

Answer:

Answer:

The correct answer is B. pyruvate

Explanation:

In glycolysis, glucose is oxidized to produce 2 molecules of NADH, ATP, and pyruvate. Then this pyruvate molecule is used in the Kreb cycle and gets fully oxidized into carbon dioxide and water.

This oxidation of pyruvate molecule gives rise to more NADH and FADH₂ molecule. These molecules are reduced form of energy which is used as a source of electron during oxidative phosphorylation to produce more ATP molecules.

Therefore pyruvate is the useful product of glycolysis which is utilized to give energy to the cell in the form of ATP.

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Which of the following is not a good polling technique? A. asking clear questions B. using a push poll C. using a large sample D. using a random sample

Which of the following is the immediate effect of condensation of water vapor?A. formation of clouds containing water droplets

B. release of water vapor from the surface of plant leaves

C. absorption of water vapor through the surface of plants leaves

Answers

I think the correct answer from the choices listed above is option A. The immediate effect of condensation of water vapor is the formation of clouds containing water droplets. Clouds are being formed when the air that contains water vapor is cooled below the critical temperature.

Answer:

A. formation of clouds containing water droplets

Explanation:

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How are changes in populations related to the availability of an ecosystem's resources?A.
Changes in population are independent of the availability of an ecosystem's resources.
B.
Population sizes are limited by the amount of resources that are available.
C.
As populations grow, ecosystems produce more resources in order to support the larger population.
D.
Large populations need the same amount of resources as small populations.
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Answers

Answer:

Explanation:

The answer is B; there cannot be a large population in an ecosystem that only provides a small amount of food; similar to how a family of six cannot live off of the same amount of food that a single person could easily live off of. This concept rules out both A and D, and C is also incorrect because the ecosystem is independent of the population, it is not aware of the amount of organisms living it; so it cannot alter it's resources based off of what organisms live in it.

Two pink flowering plants are crossed the offspring percentages are 25% red 25% white and 50% pink. What pattern of inheritance does flower color in these flowers follow

Answers

Answer: $\underline{Incomplete Dominance}$

Pink Flower ↔ Pink Flower
.............RW x RW................
..........RR..RW..WR...WW....

RR → 25%
RW → 50%
WW → 25%

The annex is followed for better understanding

Help please! Which area pictured below shows water entering the atmosphere from respiration and transpiration

Answers

Answer:

Correct answer is Area 1.

Explanation:

Transpiration is the evaporation of water or moisture in plants. In this process, water is carried through plants to small pores of the underside of leaves from its roots.

In simple words, Respiration in plants is the process in which plants take in glucose and oxygen, release carbon dioxide and water and release energy.

So, only Area 1 showing that plant releasing water in the atmosphere in the given picture.

Area 1 shows water entering the atmosphere from respiration and transpiration, because it is the only one where water goes "up". Transpiration is the water movement through a plan, and later evaporation of water from leaves.

Which of the following statements regarding the fossil record is FALSE? Group of answer choices The fossil record does not contain any fossil remains of plants, only animals Not every minute of Earth’s history is recorded in the rock record Paleontologists have not yet found all the fossils that are in the rocks Not all organisms have a high preservation potential

Answers

Answer:

The statement, that is, the fossil record does not contain any fossil remains of plants, only animals is false.

Explanation:

Any trace of past life is termed as the fossil. It can be an organism's remains like shells, plants, bones, or teeth. Any activity of an organism like burrows, footprints, and feces can be known as a fossil record. Five different ways by which the formation of a fossil takes place are natural casts, permineralization, trace fossils, amber preserved, and preserved remains.

The formation of a fossil distinctly takes place, however, the majority of them formed when an animal or plant dies in a watery environment and gets buried underneath the silt and mud. In the process, the soft tissues quickly get decompose and leave behind the shells or hard bones. With time accumulation of sediments takes place over the top and solidifies into a rock.

Isotopes of the same element differ in their ___?