Study Guide 4.2 Flashcards
1
Q
What is the job of helicase?
A
separates DNA strands
2
Q
What is the job of primase?
A
Lays down RNA primers
3
Q
What is the job of DNA polymerase III?
A
Adds DNA nucleotides
4
Q
What is the job of DNA polymerase I?
A
replaces RNA primer with DNA
5
Q
What is the job of ligase?
A
glues okazaki fragments together
6
Q
Are DNA strands parallel?
A
No, they are antiparallel
7
Q
What direction is DNA made
A
5 prime to 3 prime
8
Q
What strand is discontinuous?
A
Lagging strand
9
Q
Does the lagging strand move towards or away from the replication fork?
A
away
10
Q
Are there multiple replication origins during DNA replication?
A
yes