Biochemistry | Dna Structure And Replication

DNA helicase is used to

Byadmin July 24, 2022

Question: DNA helicase is used to
[A].

unwind the double helix

[B].

interact the double helix closely

[C].

break a phosphodiester bond in DNA strand

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Biochemistry | Genetic Code And Regulation

Bacterial protein called catabolic activator protein (CAP) is an example of

Question: Bacterial protein called catabolic activator protein (CAP) is an example of
[A].

negative control of gene expression
[B].
positive control of gene expression
[C].
second type of positive control of gene expression
[D].
none of the above

Answer: Option C

Explanation:

No answer description available for this question.

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Biochemistry | Transcription And Regulation

In prokaryotes, transcription is

Question: In prokaryotes, transcription is
[A].

terminated by the stop codon
[B].
terminated by a protein called rho
[C].
terminated by a poly A sequence
[D].
terminated by a start codon

Answer: Option B

Explanation:

No answer description available for this question.

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Biochemistry | Gel Electrophoresis

In an SDS-PAGE

Question: In an SDS-PAGE
[A].

proteins are denatured by the SDS
[B].
proteins have the same charge-to-mass ratio
[C].
smaller proteins migrate more rapidly through the gel
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

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Biochemistry | Cell Signalling And Transduction

A signal cascade induced by adrenaline or thyroxine

Question: A signal cascade induced by adrenaline or thyroxine
[A].

must begin with receipt of the signal molecule by a surface receptor
[B].
involves the activation of a G protein
[C].
results in the activation of a sequence of enzymes needed for the cell effect
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

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Biochemistry | Medical Mcqs | Vitamins

All of the following are true about manifestations of vitamin E deficiency except_____________?

All of the following are true about manifestations of vitamin E deficiency except_____________?

A. Hemolytic anemia
B. Posterior column abnormalities
C. Cerebellar ataxia
D. Autonomic dysfunctions

Read More All of the following are true about manifestations of vitamin E deficiency except_____________?
Biochemistry | Oxidative Phosphorylation

The carbon dioxide is primary a product of

Question: The carbon dioxide is primary a product of
[A].

Krebs cycle
[B].
glycolysis
[C].
electron transport phosphorylation.
[D].
lactate fermentation.

Answer: Option A

Explanation:

No answer description available for this question.

Read More The carbon dioxide is primary a product of

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