AP (Advanced Placement) Biology: Questions 55 - 60 of 327

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Question number: 55

» DNA and Protein Synthesis

MCQ▾

Question

In sugar phosphate backbone, sugars are linked together by:

Choices

Choice (5) Response

a.

Phosphodiester bond

b.

Sulfite bond

c.

Disulfide bond

d.

Ester bond

e.

All of the above

Question number: 56

» DNA and Protein Synthesis

MCQ▾

Question

Which of the following mutations involve the addition or deletion of base pairs?

Choices

Choice (5) Response

a.

Nonsense mutation

b.

Point mutation

c.

Frameshift mutation

d.

Silent mutation

e.

None of the above

Question number: 57

» DNA and Protein Synthesis

MCQ▾

Question

A DNA sequence with the potential to encode a protein- begins with a start codon and ends with a stop codon is called

Choices

Choice (5) Response

a.

ORF

b.

CDS

c.

PAM

d.

None of the above

e.

Question does not provide sufficient data or is vague

Question number: 58

» Enyzmes and Metabolism

MCQ▾

Question

EMP pathway is called as:

Choices

Choice (5) Response

a.

Glycolysis

b.

Krebs cycle

c.

Calvin cycle

d.

Question does not provide sufficient data or is vague

e.

None of the above

Question number: 59

» Enyzmes and Metabolism

MCQ▾

Question

Non-competitive inhibition is:

Choices

Choice (5) Response

a.

Inhibitor and substrate can bind enzyme at the same time

b.

Binds to an enzyme site different from the active site

c.

Cannot be overcome by increasing the substrate concentration

d.

All a. , b. and c. are correct

e.

None of the above

Question number: 60

» DNA and Protein Synthesis

MCQ▾

Question

The phases of translation consist of

Choices

Choice (5) Response

a.

Initiation, elongation, and termination

b.

Initiation, elongation, modification, and termination

c.

Initiation and translation

d.

Initiation and termination

e.

Elongation, continuation, and termination

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