AP (Advanced Placement) Biology: Questions 169 - 174 of 902

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Question 169

Question

MCQ▾

The genetic material of retroviruses such as HIV is:

Choices

Choice (5)Response

a.

DNA

b.

RNA

c.

Protein

d.

None of the above

e.

All of the above

Question 170

Question

MCQ▾

In E. coli, mode of DNA replication is:

Choices

Choice (5)Response

a.

Conservative

b.

Bidirectional

c.

Semiconservative

d.

Both b. and c. are correct

e.

Question does not provide sufficient data or is vague

Question 171

Question

MCQ▾

The sequence found in eukaryotes that is analogous to that of the Pribnow box found in prokaryotes is

Choices

Choice (5)Response

a.

TAAT

b.

ATAT

c.

TATAAT

d.

TATA

e.

TAATAT

Question 172

Question

MCQ▾

The DNA is composed of purine (A and G) and pyrimidines (T and C) in:

Choices

Choice (5)Response

a.

Only in Prokaryotic DNA

b.

Only in Eukaryotic DNA

c.

Prokaryotic DNA and Eukaryotic DNA

d.

None of the above

e.

All of the above

Question 173

Question

MCQ▾

Fusion of cytoplasm is called as:

Choices

Choice (5)Response

a.

Karyogamy

b.

Syngamy

c.

Plasmogamy

d.

Progamy

e.

All of the above

Question 174

Question

MCQ▾

Restriction endonucleases are enzymes which

Choices

Choice (5)Response

a.

Capable of joining DNA molecules

b.

Capable of restricting protein synthesise

c.

Capable of adding nucleotide

d.

Capable of cutting DNA molecule

e.

None of the above

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