Subject SAT (College Board) Biology: Questions 752 - 756 of 824

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Question number: 752

» Organization and Regulation

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MCQ▾

Question

The first acceptor of electrons from an excited chlorophyll molecule of PS-II is

Choices

Choice (5)Response

a.

Fe-S protein

b.

Quinone

c.

Cytochrome

d.

Ferredoxin

e.

Question does not provide sufficient data or is vague

Question number: 753

» Mendel and Hereditary

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MCQ▾

Question

The phenomenon, in which an allele of one gene suppresses the activity of an allele of another gene, is known as

Choices

Choice (5)Response

a.

dominance

b.

suppression

c.

inactivation

d.

epistasis

e.

Question does not provide sufficient data or is vague

Question number: 754

» Organization and Regulation

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MCQ▾

Question

Fixation of one CO2 molecule through Calvin cycle requires

Choices

Choice (5)Response

a.

1 ATP and 2 NADPH2

b.

2 ATP and 1 NADPH2

c.

3 ATP and 2 NADPH2

d.

2 ATP and 2 NADPH2

e.

Question does not provide sufficient data or is vague

Question number: 755

» Mendel and Hereditary

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MCQ▾

Question

The allele which is unable to express its effect in the presence of another is called

Choices

Choice (5)Response

a.

recessive

b.

co dominant

c.

supplementary

d.

complementary

e.

None of the above

Question number: 756

» DNA and Evolution

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MCQ▾

Question

Semi-conservative DNA replication was foremost confirmed in

Choices

Choice (5)Response

a.

Streptococcus pneumonae

b.

Drosophila melanogaster

c.

Escherichia coli

d.

All of the above

e.

Question does not provide sufficient data or is vague

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