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Genetics

Study Pack

Set 18 Regulation Of Gene Expression In Prokaryotes

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Question 1

(Multiple Choice)

Free
What type of regulation occurs when the product of the regulator gene is required to turn on the expression of one or more structural genes?

A) Constitutive control
B) Positive control
C) Negative control
D) Feedback control
E) None of these are correct.

Answer

Question 2

(Multiple Choice)

Free
Which type of genes typically control the enzymes involved in anabolic pathways?

A) Inducible genes
B) Repressible genes
C) Constitutive genes
D) Inducible genes and repressible genes
E) All of these are correct.

Answer

Question 3

(Multiple Choice)

Free
In prokaryotes,genes with related functions often are present in coordinately regulated genetic units called what?

A) Operators
B) Operons
C) Codons
D) Anticodons
E) Regulatory units

Answer