Subject SAT (College Board) Biology: Questions 742 - 746 of 824

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Question number: 742

» Cell

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MCQ▾

Question

Chemiosmotic theory of ATP synthesis in the chloroplast and mitochondria is based on

Choices

Choice (5)Response

a.

Membrane potential

b.

Accumulation of K+ ions

c.

Accumulation of Na+ ions

d.

Proton gradient

e.

Question does not provide sufficient data or is vague

Question number: 743

» Organization and Regulation

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MCQ▾

Question

The carbon dioxide acceptor in Calvin cycle/C3 plant is

Choices

Choice (5)Response

a.

Ribulose 1 - 5, diphosphate (RuDP)

b.

Ribulose monophosphate (RMP)

c.

Phosphoglyceric acid (PGA)

d.

Phosphoenol pyruvate (PEP)

e.

All of the above

Question number: 744

» Mendel and Hereditary

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MCQ▾

Question

Two nonallelic a gene produces the new phenotype when present together but fail to do so independently then it is called

Choices

Choice (5)Response

a.

Non complementary gene

b.

Complementary gene

c.

Epistasis

d.

Polygene

e.

None of the above

Question number: 745

» DNA and Evolution

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MCQ▾

Question

Which of the subsequent nucleotide sequences contains 4 pyrimidine bases?

Choices

Choice (5)Response

a.

UAGCGGUAA

b.

GCUAGACAA

c.

GATCAATGC

d.

Question does not provide sufficient data or is vague

e.

None of the above

Question number: 746

» DNA and Evolution

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MCQ▾

Question

Which of the following is most important for speciation?

Choices

Choice (5)Response

a.

behavioural isolation

b.

reproductive isolation

c.

tropical isolation

d.

seasonal isolation

e.

Question does not provide sufficient data or is vague

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