Transcription – Section 1

1. Which of the following enzyme is used for the synthesis of RNA under the direction of DNA?

A. RNA polymerase
B. DNA ligase
C. DNA polymerase
D. RNA ligase

Correct Answer: A. RNA polymerase

2. What is the usual sequence of a Pribnow box?

A. AUAUA
B. TATAAT
C. UUUUU
D. TTGACA

Correct Answer: B. TATAAT

3. Which of the following component of RNA polymerase facilitates the recognition of promoter sequences?

A. a subunit
B. b subunit
C. s subunit
D. c subunit

Correct Answer: C. s subunit

4. Which of the following statement defines a replicon?

A. A DNA molecule that encodes pili for conjugation
B. A DNA molecule that is able to replicate and be maintained
C. A DNA template which is used in transcription
D. The enzyme responsible for transposition

Correct Answer: B. A DNA molecule that is able to replicate and be maintained

5. Which eukaryotic RNA polymerase makes tRNA’s?

A. RNA polymerase 1
B. RNA polymerase 2
C. RNA polymerase 3
D. Any of these

Correct Answer: C. RNA polymerase 3

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