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Biotechnology

A plasmid can be considered as a suitable cloning vector if

Biotechnology, Cloning Vectors /
Question: A plasmid can be considered as a suitable cloning vector if
[A].

it can be readily isolated from the cells

[B].

it possesses a single restriction site for one or more restriction enzymes

[C].

insertion of foreign DNA does not alter its replication properties

[D].

All of the above

Answer: Option D

Explanation:

No answer description available for this question.

A plasmid can be considered as a suitable cloning vector if Read More »

Biotechnology, Cloning Vectors

At the center of the cell cycle control system is Cdk, a protein that

Biotechnology, Cell Cycle /
Question: At the center of the cell cycle control system is Cdk, a protein that
[A].

is phosphorylated to become active

[B].

binds to different cyclins

[C].

is only active during mitosis

[D].

manufactures growth factors

Answer: Option B

Explanation:

No answer description available for this question.

At the center of the cell cycle control system is Cdk, a protein that Read More »

Biotechnology, Cell Cycle

The cell cycle is controlled in most cells by

Biotechnology, Cell Cycle /
Question: The cell cycle is controlled in most cells by
[A].

time (after a certain length of time the cell divides)

[B].

a series of checkpoints

[C].

cell size (when the cell reaches a certain size, it divides)

[D].

different cells exhibit different control strategies

Answer: Option D

Explanation:

No answer description available for this question.

The cell cycle is controlled in most cells by Read More »

Biotechnology, Cell Cycle

Which of the following statements about mitosis is incorrect?

Biotechnology, Cell Cycle /
Question: Which of the following statements about mitosis is incorrect?
[A].

The daughter nuclei are genetically identical to the parent nucleus

[B].

Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other

[C].

Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize

[D].

Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers

Answer: Option B

Explanation:

No answer description available for this question.

Which of the following statements about mitosis is incorrect? Read More »

Biotechnology, Cell Cycle

Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.

Biotechnology, Cell Cycle /
Question: Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.
[A].

C

[B].

G2

[C].

M

[D].

S

Answer: Option D

Explanation:

No answer description available for this question.

Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell. Read More »

Biotechnology, Cell Cycle