AP (Advanced Placement) Biology: Questions 170 - 176 of 327

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Question number: 170

» DNA and Protein Synthesis

MCQ▾

Question

In E. coli, mode of DNA replication is:

Choices

Choice (5) Response

a.

Bidirectional

b.

Conservative

c.

Semiconservative

d.

Both a. and c. are correct

e.

None of the above

Question number: 171

» DNA and Protein Synthesis

MCQ▾

Question

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.

TATA

d.

TATAAT

e.

TAATAT

Question number: 172

» DNA and Protein Synthesis

MCQ▾

Question

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

Choices

Choice (5) Response

a.

Prokaryotic DNA and Eukaryotic DNA

b.

Only in Eukaryotic DNA

c.

Only in Prokaryotic DNA

d.

None of the above

e.

Question does not provide sufficient data or is vague

Question number: 173

» DNA and Protein Synthesis

MCQ▾

Question

Fusion of cytoplasm is called as:

Choices

Choice (5) Response

a.

Karyogamy

b.

Plasmogamy

c.

Progamy

d.

Syngamy

e.

None of the above

Question number: 174

» DNA and Protein Synthesis

MCQ▾

Question

Restriction endonucleases are enzymes which

Choices

Choice (5) Response

a.

Capable of adding nucleotide

b.

Capable of restricting protein synthesise

c.

Capable of joining DNA molecules

d.

Capable of cutting DNA molecule

e.

All of the above

Question number: 175

» DNA and Protein Synthesis

MCQ▾

Question

Transcription is the transfer of genetic information from:

Choices

Choice (5) Response

a.

DNA to RNA

b.

mRNA to tRNA

c.

tRNA to mRNA

d.

DNA to mRNA

e.

None of the above

Question number: 176

» DNA and Protein Synthesis

MCQ▾

Question

Which of the following reactions is required for proofreading during DNA replication by DNA polymerase III?

Choices

Choice (5) Response

a.

5’ – 3’ endonuclease activity

b.

3’ – 5’ endonuclease activity

c.

3’ – 5’ exonuclease activity

d.

5’ – 3’ exonuclease activity

e.

All of the above

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