Organization and Regulation [Subject SAT (College Board) Biology]: Questions 13 - 16 of 34

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Question 13

Organization and Regulation
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Question

MCQ▾

The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphospate (ATP) is formed because

Choices

Choice (5)Response

a.

A proton gradient forms across the inner membrane

b.

ADP is pumped out of the matrix to the inter membrane space

c.

High energy bonds are formed in mitochondrial matrix

d.

There is a change in the permeability of the inner mitochondrial membrane towards Adenosine Diphosphate (ADP)

e.

None of the above

Question 14

Organization and Regulation
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Question

MCQ▾

Oxidative phosphorylation is

Choices

Choice (5)Response

a.

Addition of phosphate group to ATP

b.

Formation of ATP by transfer of phosphate group from a substrate to ADP

c.

Oxidation of phosphate group in ADP

d.

Formation of ATP by energy released from electrons removed during substrate oxidation

e.

Question does not provide sufficient data or is vague

Question 15

Organization and Regulation
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Question

MCQ▾

Which element is located in the centre of porphyrin ring in the structure of chlorophyll?

Choices

Choice (5)Response

a.

Calcium

b.

Manganese

c.

Magnesium

d.

Potassium

e.

All of the above

Question 16

Organization and Regulation
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Question

MCQ▾

During which stage, the complete oxidation of glucose lead to form the greatest number of ATP molecules form ADP?

Choices

Choice (5)Response

a.

Pyruvic acid to Acetyl Co-A

b.

Glycolysis

c.

Electron transport chain

d.

Kreb’-s cycle

e.

Question does not provide sufficient data or is vague