Subject SAT (College Board) Biology: Questions 756 - 762 of 805

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Question number: 756

» DNA and Evolution

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MCQ▾

Question

The mutation in which the length of a protein remains unaffected

Choices

Choice (4) Response

a.

nonsense mutation

b.

frameshift mutation

c.

missense mutation

d.

Question does not provide sufficient data or is vague

Question number: 757

» Atoms and Compounds

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MCQ▾

Question

Respiratory Quotient (RQ) is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 758

» Mendel and Hereditary

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MCQ▾

Question

Two crosses between the same pair of genotypes or phenotypes in which the sources of the gametes are reversed in one cross, is known as

Choices

Choice (4) Response

a.

Test cross

b.

Dihybrid cross

c.

Reverse cross

d.

Reciprocal cross

Question number: 759

» 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 (4) Response

a.

Fe-S protein

b.

Quinone

c.

Cytochrome

d.

Ferredoxin

Question number: 760

» 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 (4) Response

a.

dominance

b.

suppression

c.

inactivation

d.

epistasis

Question number: 761

» Organization and Regulation

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MCQ▾

Question

Fixation of one CO2 molecule through Calvin cycle requires

Choices

Choice (4) 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

Question number: 762

» 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 (4) Response

a.

recessive

b.

co dominant

c.

supplementary

d.

complementary

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