AP (Advanced Placement) Biology: Questions 143 - 147 of 868

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Question number: 143

» DNA and Protein Synthesis

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MCQ▾

Question

The first step of PCR is ________ (I) ________ and the process of binding of primer to the denatured strand is called: ________ (II) ________.

Choices

Choice (5)Response

a.

I – Renaturation, II – Primer extension

b.

I – Denaturation, II - Annealing

c.

I – Primer extension, II – Denaturation

d.

I – Annealing, II - Renaturation

e.

None of the above

Question number: 144

» DNA and Protein Synthesis

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MCQ▾

Question

Which of the following mechanisms of DNA repair is mediated by the recA protein?

Choices

Choice (5)Response

a.

Excision repair

b.

Exonuclease proofreading

c.

Recombination repair

d.

Photoreactivation

e.

SOS repair

Question number: 145

» DNA and Protein Synthesis

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MCQ▾

Question

In Prokaryotes, the ribosomal binding site on mRNA is called

Choices

Choice (5)Response

a.

Shine-Dalgarno sequence

b.

Hogness sequence

c.

Pribnow-sequence

d.

TATA box

e.

All of the above

Question number: 146

» DNA and Protein Synthesis

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MCQ▾

Question

The most common type of gel used for DNA separation is:

Choices

Choice (5)Response

a.

Agar

b.

Agarose

c.

Polyacrylamide

d.

All of the above

e.

Question does not provide sufficient data or is vague

Question number: 147

» DNA and Protein Synthesis

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MCQ▾

Question

Which of the following type of RNA acts as a machinery for synthesis of proteins?

Choices

Choice (5)Response

a.

tRNA

b.

RNA

c.

mRNA

d.

rRNA

e.

None of the above

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