AP (Advanced Placement) Biology: Questions 175 - 179 of 868

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Question number: 175

» DNA and Protein Synthesis

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MCQ▾

Question

Transcription is the transfer of genetic information from:

Choices

Choice (5)Response

a.

tRNA to mRNA

b.

mRNA to tRNA

c.

DNA to mRNA

d.

DNA to RNA

e.

Question does not provide sufficient data or is vague

Question number: 176

» DNA and Protein Synthesis

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MCQ▾

Question

Which of the following reactions is required for proofreading during DNA replication by DNA polymerase III?

Choices

Choice (5)Response

a.

5’ – 3’ endonuclease activity

b.

5’ – 3’ exonuclease activity

c.

3’ – 5’ exonuclease activity

d.

3’ – 5’ endonuclease activity

e.

None of the above

Question number: 177

» DNA and Protein Synthesis

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MCQ▾

Question

A codon for which no normal tRNA molecule exists is called as:

Choices

Choice (5)Response

a.

Point mutation

b.

Missense codon

c.

Nonsense codon

d.

Question does not provide sufficient data or is vague

e.

All of the above

Question number: 178

» Respiratory Systems

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MCQ▾

Question

Residual volume of lung is

Choices

Choice (5)Response

a.

Amount of air inspired and expired during a normal breathing

b.

Amount of air inspired during a normal breathing

c.

Amount of air reside in the lungs after forceful expiration

d.

Amount of air expired during a normal breathing

e.

None of the above

Question number: 179

» Respiratory Systems

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MCQ▾

Question

The origin of CO2 in the blood is

Choices

Choice (5)Response

a.

the natural equilibrium conversion process from O2

b.

glycolysis and the Krebs cycle in tissue cells

c.

conversion from bicarbonate in the blood

d.

the product from acting as the final electron acceptor in oxidative phosphorylation

e.

passive diffusion from the atmosphere

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