DNA replication sg Flashcards
1
Q
What functional group is at the 3’ carbon?
A
Hydroxyl
2
Q
What functional group is at the 5’ carbon?
A
Phosphate
3
Q
What enzyme unzips parental DNA strands?
A
Helicase
4
Q
What enzyme lays down RNA primer?
A
Primase
5
Q
What enzyme adds DNA nucleotide bases?
A
DNA Polymerase III
6
Q
What enzyme replaces RNA primer with DNA?
A
DNA Polymerase I
7
Q
What enzyme glues together Okazaki fragments?
A
Ligase
8
Q
What is the Y-shaped intersection where helicase works called?
A
Replication fork
9
Q
Is DNA synthesis continuous, and why/why not?
A
Discontinuous due to lagging strand having to restart process
10
Q
Which way does DNA synthesis occur?
A
5’ to 3’
11
Q
What types of bonds does helicase break?
A
Hydrogen
12
Q
A
