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Biochemistry Practice Test Questions: Regulation of Gene Expression
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Regulation of gene expression, or gene regulation, includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products.

Topics covered include:  Principles of Gene Regulation, & Regulation of Gene Expression in Prokaryotes.

Biochemistry Practice Test Questions: Regulation of Gene Expression
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25 Questions

1. CAP is ____________
2. To which class of transcription factor do nuclear receptors belong?
3. Which of the following statements about lac operon in e.coli is true?
4. Which of the following statements is not correct?
5. When DNA segment is in one orientation ____________
6. Which out of the following is not an example of an inducible operon?
7. Which of the following bacterial operon is not controlled by attenuation?
8. Which of the following about mRNA stability is not correct?
9. Lactose utilization by E. coli requires ____________
10. If lactose and glucose are provided in the growth medium of a culture of E. coli ____________
11. Trp repressor is a ____________
12. Lac repressor dissociates from its operator when the repressor binds to ____________
13. Which of the following is not required for the expression of genes in the lactose operon?
14. The lac repressor has which of the following DNA-binding motif?
15. Which of the following increases gene expression as much as 200-fold?
16. The lactose repressor is encoded by ____________
17. Which of the following statements regarding the regulation of trp operon expression by attenuation is correct?
18. Which of the following is not an example of housekeeping genes?
19. Which of the following takes place when tryptophan levels are low?
20. Formation of the attenuator stem-and-loop structure depends on the events that occur during translation of ____________
21. Attenuator sequences base-pair to form a stem-and-loop structure rich in ____________
22. Which of the following are the structural motifs that mediate protein-protein interactions?
23. Where does a repressor bind an operon?
24. Which of the following encodes recombinase?
25. RNAi stands for ____________

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