DNA replication Flashcards

1
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the main feature of semi-conservative DNA replication?

A

Each new DNA molecule consists of one original strand and one newly synthesized strand.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

True or False: In semi-conservative replication, both strands of the original DNA molecule are conserved in the daughter molecules.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fill in the blank: The enzyme responsible for synthesizing new DNA strands during replication is called __________.

A

DNA polymerase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which process involves the unwinding of the DNA double helix?

A

DNA replication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Multiple Choice: Which of the following statements is true regarding semi-conservative DNA replication? A) It produces two identical copies of DNA. B) It conserves both strands of the original DNA. C) It involves a template strand for synthesis. D) A and C only.

A

D) A and C only.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the primary function of DNA helicase in DNA replication?

A

To unwind the DNA double helix.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

True or False: DNA helicase requires energy to function.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Fill in the blank: DNA helicase travels along the DNA strand in the direction of the _______ end.

A

5’ to 3’.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Multiple Choice: Which of the following is a necessary cofactor for DNA helicase activity? A) ATP B) GTP C) NAD+ D) cAMP

A

A) ATP.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What happens to the DNA strands after DNA helicase unwinds them?

A

They become single-stranded templates for replication.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly