Biotechnology | Cell Cycle

A centromere is

Byadmin July 26, 2022

Question: A centromere is
[A].

another name for kinetochore

[B].

the structure to which microtubules attach

[C].

a constriction on a chromosome bound to a disk

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Biotechnology | Monoclonal Antibodies

The antigen-specific lymphocytes can be immortalized by which of the following method?

Question: The antigen-specific lymphocytes can be immortalized by which of the following method?
[A].

Transfection with tumor derived DNA
[B].
Hybridization with a suitable lymphoid tumor cell
[C].
Transformation following infection by Epstein-Barr virus (EB V)
[D].
All of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More The antigen-specific lymphocytes can be immortalized by which of the following method?
Biotechnology | Plant Structure

Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Question: Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?
[A].

Both have their own DNA
[B].
Both have their own ribosomes
[C].
Both strongly resemble prokaryotes, especially in size
[D].
Both can live and function independently of the cell

Answer: Option D

Explanation:

No answer description available for this question.

Read More Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?
Biotechnology | Cloning Vectors

M 13 is an example of

Question: M 13 is an example of
[A].

filamentous phage
[B].
single stranded DNA vector
[C].
both (a) and (b)
[D].
plasmid

Answer: Option C

Explanation:

No answer description available for this question.

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Antibiotics | Biotechnology

During which phase of growth of Penicillium chrysogenum maximum antibiotic production takes place

Question: During which phase of growth of Penicillium chrysogenum maximum antibiotic production takes place
[A].

during the first phase
[B].
during the second phase
[C].
during the third phase
[D].
same in all the phases

Answer: Option B

Explanation:

No answer description available for this question.

Read More During which phase of growth of Penicillium chrysogenum maximum antibiotic production takes place
Biotechnology | Plant Structure

Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?

Question: Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?
[A].

Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
[B].
The rules governing oxidation and reduction apply only in vitro, and not in vivo
[C].
Electrons always go from reductants with high redox potentials to oxidants with low redox potentials
[D].
None of the above

Answer: Option A

Explanation:

No answer description available for this question.

Read More Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?
Biotechnology | Cloning Vectors

pBR 322 has/have which of the following selection marker(s)?

Question: pBR 322 has/have which of the following selection marker(s)?
[A].

Ampr
[B].
Tetr
[C].
Both (a) and (b)
[D].
Kanr

Answer: Option C

Explanation:

No answer description available for this question.

Read More pBR 322 has/have which of the following selection marker(s)?

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