DNA Structure And Replication Flashcards
0
Q
RNA primase
A
Leaves RNA primers on the lag strand
1
Q
DNA polymerase III
A
Attatched to nucleotides in a 5’ to 3’ direction
2
Q
RNA primers
A
Initiation sites for DNA polymerase III on the lag strand
3
Q
Okazaki fragments
A
Sections of new DNA on the lag strand
4
Q
DNA polymerase I
A
Removes RNA primers
5
Q
DNA ligase
A
Attatches Okazaki fragments together
6
Q
What does DNA is semi conservative mean?
A
One strand is parent and one is new
7
Q
DNA helicase
A
Separates base pairs
8
Q
In what direction does DNA polymerase I move?
A
Along the replication fork, removing RNA primers
9
Q
Purines
A
Adenosine and guanine
10
Q
Pyramidines
A
Thymine and cytosine
11
Q
Three parts of DNA
A
- Deoxyribose 5carbon sugar
- Nitrogen base
- Phosphate
12
Q
Bonds between three parts of a single nucleotide
A
Covalent
13
Q
Bonds between other nucleotides
A
Hydrogen
14
Q
Nucleotide
A
The single unit in DNA
