Biochemistry | Dna Structure And Replication

The B-DNA structure found in solution is a

Byadmin July 24, 2022

Question: The B-DNA structure found in solution is a
[A].

left-handed double helix of antiparallel chains (10 bp/turn)

[B].

right-handed double helix of antiparallel chains (∼10 bp/turn)

[C].

left-handed zig-zag helix of antiparallel chains (10 bp/turn)

[D].

right-handed double helix of parallel chains (∼10 bp/turn)

Answer: Option B

Explanation:

No answer description available for this question.

Biochemistry | Spectroscopy

Which of the following will oscillate the fastest?

Question: Which of the following will oscillate the fastest?
[A].

A large mass on a weak spring
[B].
A large mass on a stiff spring
[C].
A small mass on a stiff spring
[D].
A small mass on a weak spring

Answer: Option C

Explanation:

No answer description available for this question.

Read More Which of the following will oscillate the fastest?
Anti Bodies | Biochemistry

Cleavage of an IgG molecule by a specific protease can produce

Question: Cleavage of an IgG molecule by a specific protease can produce
[A].

an antigen-binding site and two constant regions
[B].
two heavy chain-light chain dimers
[C].
an inactive mixture of oligopeptides
[D].
two Fab fragments and one Fc fragment

Answer: Option D

Explanation:

No answer description available for this question.

Read More Cleavage of an IgG molecule by a specific protease can produce
Biochemistry | Disease Associated With Immune System

X-linked hyper IgM syndrome, resulting in high levels of serum IgM and low levels of serum IgG, is caused by a defect in CD40L expression. The specific immune event that would be prevented by a defective CD40L would be

Question: X-linked hyper IgM syndrome, resulting in high levels of serum IgM and low levels of serum IgG, is caused by a defect in CD40L expression. The specific immune event that would be prevented by a defective CD40L would be
[A].

activation of B cells by T-independent antigens
[B].
failure of B cells to provide co-stimulation for Th2 activation
[C].
failure of Th2 cells to provide co-stimulation for B cell isotype switching
[D].
failure of Th2 cells to provide co-stimulation for B cell proliferation

Answer: Option C

Explanation:

No answer description available for this question.

Read More X-linked hyper IgM syndrome, resulting in high levels of serum IgM and low levels of serum IgG, is caused by a defect in CD40L expression. The specific immune event that would be prevented by a defective CD40L would be
Biochemistry | Medical Mcqs | Miscellaneous Biochemistry Mcqs

Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?

Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?

A. Normal metabolism
B. Oxygen toxicity
C. Reperfusion after ischemic injury
D. All of the above

Read More Generation of free radicals occurs by all of the following mechanism EXCEPT_____________?
Biochemistry | Dna Structure And Replication

For the DNA replication in eukaryotes, the cell cycle consists of

Question: For the DNA replication in eukaryotes, the cell cycle consists of
[A].

G1, G2 and M phases
[B].
S, G2 and M phases
[C].
G1,S, G2 and M phases
[D].
G2 and M phases

Answer: Option C

Explanation:

No answer description available for this question.

Read More For the DNA replication in eukaryotes, the cell cycle consists of
Biochemistry | Chromatography

In reverse phase chromatography, the stationary phase is made

Question: In reverse phase chromatography, the stationary phase is made
[A].

non-polar
[B].
polar
[C].
either non-polar or polar
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More In reverse phase chromatography, the stationary phase is made

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