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Biochemistry - Genetic Regulation Prokaryotes

Exercise : Genetic Regulation Prokaryotes - Section 1
  • Genetic Regulation Prokaryotes - Section 1
16.
Which of the following occur in the presence of glucose?
lac Z gene expression is increased
cAMP increases
Binding of CAP-cAMP complex to the promoter area decreases
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Sex hormones activate transcription of specific genes by
binding to a transcription factor
binding to RNA polymerase
binding to DNA enhancer region
binding to DNA promoter region
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The lac operon is translated into __________ proteins.
1
2
3
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
In the presence of tryptophan in the cell, the repressor is __________
bound to tryptophan
bound to DNA
bound to both DNA and tryptophan
bound to neither tryptophan nor DNA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Catabolite activating protein exerts __________ control on transcription of the lac operon genes.
positive
negative
may be positive or negative
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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