Course

Microbiology

Study Pack

Set 7 Molecular Biology Of Microbial Growth

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Question 1

(Multiple Choice)

Free
Bacteria from the genus Caulobacter are used to model cellular differentiation in eukaryotes. The abundance of CtrA, DnaA, and GcrA separately control activity of other genes necessary for differentiation in Caulobacter. Thus, these three proteins can be classified as

A) activating sensors.
B) heterologous regulators.
C) differentiating regulons.
D) transcriptional regulators.

Answer

Question 2

(Multiple Choice)

Free
All of the following are targets of currently used antibiotics EXCEPT

A) DNA synthesis.
B) biofilm formation.
C) transcription.
D) translation.

Answer

Question 3

(Multiple Choice)

Free
Which of the following activities is a result of cyclic di-guanosine monophosphate synthesis?

A) transition from planktonic to sessile growth during biofilm formation
B) reduction in activity of flagellar motor
C) biosynthesis of extracellular matrix during biofilm formation
D) All of these answer choices activities are a result of cyclic di-guanosine monophosphate synthesis.

Answer