Subject SAT (College Board) Biology: Questions 701 - 704 of 824

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Question number: 701

» Cell

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MCQ▾

Question

In the photosynthesis the light in-dependent reaction occurs in

Choices

Choice (5)Response

a.

Thylakoid lumen

b.

PS-II

c.

Stromal matrix

d.

PS-I

e.

None of the above

Question number: 702

» Atoms and Compounds

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MCQ▾

Question

The diagram below represents reactions taking place in a bacterium in which amino acids are produced from other amino acids by the action of specific enzymes.

The numbers 1 - 3 refer to different amino acids and the letters V and X refer to different enzymes.

When an excess of amino acid 3 is added into the bacterium the rate of the reactions is reduced. What is the cause of this?

V and X refer to different enzymes

V and X Refer to Different Enzymes

Choices

Choice (5)Response

a.

Excess substrate inhibiting the enzyme

b.

Positive feedback

c.

End product inhibition

d.

Enzyme denaturation

e.

Question does not provide sufficient data or is vague

Question number: 703

» Atoms and Compounds

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MCQ▾

Question

Out of 38 ATP molecules produced per molecule of glucose, 32 ATP molecules are formed from NADH/FADH2

Choices

Choice (5)Response

a.

Respiratory chain

b.

EMP

c.

Kreb’s cycle

d.

Oxidative phosphorylation

e.

Question does not provide sufficient data or is vague

Question number: 704

» Mendel and Hereditary

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MCQ▾

Question

When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be

Choices

Choice (5)Response

a.

multiple alleles

b.

different genes

c.

the parts of same gene

d.

pseudoalleles

e.

Question does not provide sufficient data or is vague

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