Course

Microbiology

Study Pack

Set 8 Microbial Genetics

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Question 1

(Multiple Choice)

Free
The initial/first effect of ionizing radiation on a cell is that it causes

A)DNA to break.
B)bonding between adjacent thymines.
C)base substitutions.
D)the formation of highly reactive ions.
E)the cells to get hot.

Answer

Question 2

(Multiple Choice)

Free
Which of the following is NOT a product of transcription?

A)a new strand of DNA
B)rRNA
C)tRNA
D)mRNA

Answer

Question 3

(Multiple Choice)

Free
An enzyme produced in response to the presence of a substrate is called a(n)

A)inducible enzyme.
B)repressible enzyme.
C)restriction enzyme.
D)operator.
E)promoter.

Answer