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suter
9 days ago
9

Two nutrient solutions are maintained at the same pH. Actively respiring mitochondria are isolated and placed into each of the t

wo solutions. Oxygen gas is bubbled into one solution. The other solution is depleted of available oxygen. Which of the following best explains why ATP production is greater in the tube with oxygen than in the tube without oxygen?
A. The rate of proton pumping across the inner mitochondrial membrane is lower in the sample without oxygen. B. Electron transport is reduced in the absence of a plasma membrane. C. In the absence of oxygen, oxidative phosphorylation produces more ATP than does fermentation. D. In the presence of oxygen, glycolysis produces more ATP than in the absence of oxygen.

Was told the answer is A. but i need help justifying that and why it is not D
Biology
1 answer:
enyata [672]9 days ago
5 0

Answer:

Explanation:

Option A is the right choice because the energy derived from electrons within oxygen facilitates the H+ pumping process (along with NADH electrons). The reason D is incorrect is that glycolysis can occur both with and without oxygen, and it does not require O2, making it consistent across both conditions. The difference lies in the processes following glycolysis, which are influenced by the presence or absence of oxygen (such as oxidative phosphorylation vs. fermentation).

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Kai looks at a photo of herself with her parents. She notices that, while her features are similar to her parents’ features, the
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Answer:

The continuation of the question is

Which explains the reasoning behind this fact?

Their DNA comprises different codon sequences.

It is composed of four distinct bases.

Kai received more proteins from one parent compared to the other.

The varied inheritance of amino acids from her parents led to the difference.

The correct response is Their DNA comprises different codon sequences.

DNA, or Deoxyribonucleic acid, consists of nitrogenous base pairs, a phosphate group, and deoxyribose sugar. The amino acids formed from these bases result in varied expression of traits. This variation stems from the diversity in coding sequences since there are over 60 distinct codon combinations. This accounts for the slight differences between Kai and her parents.

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2 days ago
Why is it important that living organisms not reach equilibrium in the concentrations of oxygen and carbon dioxide?
Rainbow [627]

Answer:

It is essential for living organisms to maintain a non-equilibrium state in the concentrations of oxygen and carbon dioxide to facilitate gas exchange. If equilibrium is reached, both respiration and photosynthesis would cease.

Explanation:

  • Gases flow from areas of higher concentration to lower concentration along their gradients.
  • If organisms achieve equilibrium in carbon dioxide and oxygen levels, gas exchange into and out of cells would stop.
  • Equilibrium signifies that gas concentrations equalize on both sides, halting any movement.
  • Should gas exchange come to a standstill, respiration and photosynthesis in plants, as well as respiration in animals, would completely halt.
8 0
4 days ago
which statements correctly identify characteristics of Earth and Jupiter? Check all that apply. Earth is an inner planet. Earth
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Answer:

Earth qualifies as an inner planet.

Earth has a greater density compared to Jupiter.

Jupiter is predominantly gaseous.

Just completed the test!

5 0
8 days ago
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Tresset [654]

Answer:

the pistil

I hope my response is helpful.

If you find my answer useful, please consider marking it as brainliest.

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Take care.

Wishing you a great day!

3 0
1 day ago
Create a sentence explaining how amino acids form proteins.
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6 days ago
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