AP (Advanced Placement) Biology: Questions 22 - 27 of 327

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Question number: 22

» DNA and Protein Synthesis

MCQ▾

Question

All of the following enzymes are required for DNA replication EXCEPT

Choices

Choice (5) Response

a.

DNA polymerase

b.

Ligase

c.

Endonuclease

d.

Topoisomerase

e.

Helicase

Question number: 23

» DNA and Protein Synthesis

MCQ▾

Question

Which of the following part is responsible for recognizing the promoter in the bacterial RNA polymerase?

Choices

Choice (5) Response

a.

Primer

b.

Sigma subunit

c.

Alpha subunit

d.

Rho protein

e.

All of the above

Question number: 24

» Enyzmes and Metabolism

MCQ▾

Question

Which of the following two things are binds to competitive inhibition enzyme active site?

Choices

Choice (5) Response

a.

Catalyst

b.

Inhibitor

c.

Substrate

d.

Both b. and c. are correct

e.

None of the above

Question number: 25

» DNA and Protein Synthesis

MCQ▾

Question

Molecular biologists can identify an open reading frame by the

Choices

Choice (5) Response

a.

Presence of the triplet AUG in the promoter region

b.

Presence of the poly (A) tail

c.

Presence of the conserved sequence TATAAT in the operator region of prokaryotes

d.

Presence of the conserved sequence TATA in eukaryotic DNA

e.

Post promoter presence of the triplet TAC on the sense strand

Question number: 26

» DNA and Protein Synthesis

MCQ▾

Question

Sugar phosphate backbone chain has direction to

Choices

Choice (5) Response

a.

3’ to 5’

b.

4’ to 3’

c.

3’ to 4’

d.

5’ to 3’

e.

None of the above

Question number: 27

» Enyzmes and Metabolism

MCQ▾

Question

Which of the following inhibit enzymes resulting in all ATP production?

Choices

Choice (5) Response

a.

Nerve gas

b.

Cyanides

c.

Heavy metals

d.

Penicillin

e.

All of the above

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