AP (Advanced Placement) Biology: Questions 1 - 4 of 868

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Question number: 1

» DNA and Protein Synthesis

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MCQ▾

Question

Which one of the following is the complementary sequence of 5′ TTAAGCGTAC 3′?

Choices

Choice (5)Response

a.

5’ GTACGCTTAA 3’

b.

3’ TTAAGCGTAC 3’

c.

3’ CATGCGAATT 5’

d.

5’ AATTCGCATG 3’

e.

All of the above

Question number: 2

» Enyzmes and Metabolism

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MCQ▾

Question

During milk fermentation, which of the following is converted lactose into lactic acid?

Choices

Choice (5)Response

a.

Streptococcus

b.

Lactococcus

c.

Streptobacillus

d.

Lactobacillus

e.

None of the above

Question number: 3

» DNA and Protein Synthesis

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MCQ▾

Question

If a mutation resulted in a single base substitution at the third position within the anticodon region of tRNA, what would be the most likely result?

Choices

Choice (5)Response

a.

Such a change within an anticodon region always has a lethal effect on the cell.

b.

The change would only affect the resulting protein if it resided within an enzyme’s active site.

c.

It would make no difference to the cell because redundancy in the genetic code would prevent a change in the resulting protein.

d.

The chances are good that the resulting protein would remain unchanged because of the redundancy within the genetic code.

e.

The resulting protein would most likely be dysfunctional.

Question number: 4

» Enyzmes and Metabolism

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MCQ▾

Question

An enzyme binds a substrate in a region called the:

Choices

Choice (5)Response

a.

Prosthetic group

b.

Dehydration site

c.

Reactive group

d.

Active site

e.

Allosteric site

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