4.2 DNA replication Flashcards
1
Q
What does the Enzyme Helicase do?
A
Unzips the DNA
2
Q
What does the Enzyme Primase do?
A
Lays down the RNA primer
3
Q
What does the Enzyme DNA polymerase III do?
A
Adds DNA Nucleotide bases
4
Q
What does the Enzyme DNA polymerase I do?
A
Replaces the RNA primer with DNA
5
Q
What does the Enzyme ligase do?
A
Glues the Okazaki fragments together
6
Q
What is the order of enzymes?
A
Helicase
primase
DNA polymerase III
DNA polymerase I
ligase
7
Q
What does antiparallel mean?
A
flows in opposite directions
8
Q
Which side is the leading?
A
3’
9
Q
Which side is the lagging?
A
5’
10
Q
what direction does replication flow?
A
5’ - 3’
