Course

Genetics

Study Pack

Set 11 Regulation Of Gene Expression In Bacteria And Their Viruses

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Question 1

(Multiple Choice)

Free
A super repressor mutation (IS)results in:

A)no transcription.
B)inducible transcription.
C)transcription but no translation.
D)no translation.
E)constitutive transcription.

Answer

Question 2

(Multiple Choice)

Free
The lac operon is controlled by:

A)the Lac repressor.
B)attenuation.
C)catabolite activator protein (CAP).
D)the Lac repressor and catabolite activator protein (CAP).
E)the Lac repressor and attenuation.

Answer

Question 3

(Multiple Choice)

Free
Which of the following is an example of a trans-acting factor?

A) β\beta -galactosidase
B)operator site
C)lacI repressor protein
D)lactose
E)permease

Answer