AP (Advanced Placement) Biology: Questions 644 - 646 of 902

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Question 644

Question

MCQ▾

What is the mode of replication in E. Coli?

Choices

Choice (5)Response

a.

Semi-conservative

b.

Intermediate

c.

Conservative

d.

Dispersive

e.

Copious

Question 645

Question

MCQ▾

Protein import into a chloroplast proceeds in which of the following sequences?

Choices

Choice (5)Response

a.

A signal sequence binds to a receptor; the protein refolds; the protein-receptor complex moves laterally; and the signal sequence is removed.

b.

The signal sequence binds to a receptor; the protein-receptor complex moves laterally; the signal sequence is removed; and the protein refolds.

c.

A signal sequence binds to a receptor; the protein-receptor complex moves laterally; the protein refolds; and the signal sequence is removed.

d.

The protein refolds; the signal sequence is removed; the protein binds to a receptor; and the protein-receptor complex moves laterally.

e.

A signal sequence binds to a receptor; the signal sequence is removed; the protein-receptor complex moves laterally; and the protein refolds.

Question 646

Question

MCQ▾

Topoisomerase

Choices

Choice (5)Response

a.

Helicases

b.

DNA polymerase I

c.

DNA polymerase II

d.

DNA polymerase III

e.

DNA Primase

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