AP (Advanced Placement) Biology: Questions 67 - 71 of 327

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Question number: 67

» Enyzmes and Metabolism

MCQ▾

Question

When NADH is converted to NAD, the process is called as

Choices

Choice (5) Response

a.

dehydration

b.

oxidation

c.

catalysis

d.

exergonic

e.

reduction

Question number: 68

» DNA and Protein Synthesis

MCQ▾

Question

Which of the following is the best distinction between DNA and RNA?

Choices

Choice (5) Response

a.

The sugar-phosphate-sugar-phosphate repeating backbone structure is found only in DNA.

b.

Only DNA is found in the eukaryotic nucleus.

c.

Adenine forms base pairs with uracil in DNA but with thymidine in RNA.

d.

The backbone in RNA contains fewer oxygen atoms than that found in DNA.

e.

Base pairing only occurs in DNA.

Question number: 69

» DNA and Protein Synthesis

MCQ▾

Question

By which process, genetic information flowing from DNA to RNA to proteins is called as:

Choices

Choice (5) Response

a.

Gene expression

b.

Gene therapy

c.

Gene annealing

d.

Gene mutation

e.

Question does not provide sufficient data or is vague

Question number: 70

» DNA and Protein Synthesis

MCQ▾

Question

Methionine and tryptophan have:

Choices

Choice (5) Response

a.

Single codon each

b.

Triple codon each

c.

Single codon for methionine and triple codon for tryptophan

d.

Double codon each

e.

All of the above

Question number: 71

» Enyzmes and Metabolism

MCQ▾

Question

In the active site, binding site is:

Choices

Choice (5) Response

a.

Where reaction occurs

b.

Holds substrate in place

c.

Alters the active site of the enzyme

d.

None of the above

e.

Question does not provide sufficient data or is vague

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