Microbial Genetics [GATE (Graduate Aptitude Test in Engineering) Microbiology]: Questions 1 - 5 of 10

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Question 1

Microbial Genetics

Question

MCQ▾

The susceptibility of RNA towards base hydrolysis is due to the presence of

Choices

Choice (4)Response

a.

Alcohol group

b.

Amide group

c.

Aldehyde group

d.

Sulfhydryl group

Question 2

Microbial Genetics

Appeared in Year: 2020

Question

Numeric Answer▾

A of bacteriophage stock containing is added to E. coli culture containing . the multiplicity of infection is ________.

Question 3

Microbial Genetics

Appeared in Year: 2015

Question

MCQ▾

Base-pair substitutions caused by the chemical mutagen ethyl methane sulfonate are a result of

Choices

Choice (4)Response

a.

deamination

b.

hydroxylation

c.

alkylation

d.

intercalation

Question 4

Microbial Genetics

Appeared in Year: 2020

Question

MCQ▾

Which one of the following conditions favors maximum expression of lac operon genes in E. coli?

Choices

Choice (4)Response

a.

glucose- high lactose – high cAMP- low

b.

glucose- low lactose – low cAMP- high

c.

glucose- high lactose – low cAMP- high

d.

glucose- low lactose – high cAMP- high

Question 5

Microbial Genetics

Appeared in Year: 2015

Question

MCQ▾

Which combination of the following statements about specialized transduction is TRUE?

(P) Specialized transducing phages can transport only certain genes between bacteria

(Q) Specialized transducing phages can transport any gene between bacteria

(R) Phage P-22 is a specialized transducing phage

(S) Phage lambda is a specialized transducing phage

Choose the Correct Option:

Choices

Choice (4)Response

a.

P and R only

b.

Q and R only

c.

P and S only

d.

Q and S only

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