Biochemistry - Genetic Regulation Prokaryotes

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Exercise :: Genetic Regulation Prokaryotes - Section 1

  • Genetic Regulation Prokaryotes - Section 1
1. 

Sex lethal (sxl) in Drosophila is transcribed when

A. the X autosome balance is less than 0.5
B. the X autosome balance is 1 or greater
C. the X autosome balance equals 0.5
D. none of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

2. 

A mutation in the tip binding site of the repressor would result in

A. constitutive trp operon expression
B. inducible trp operon expression
C. no operon expression
D. none of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

The first protein complex to bind to the TATA box is

A. transcription factor IIA
B. transcription factor IIB
C. transcription factor IID
D. all of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

Which of the following is not part of the lac operon?

A. I
B. O
C. P
D. none of these

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

5. 

The lac operon is transcribed in which segments?

A. 1
B. 2
C. 3
D. 4

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.