DNA Replication Flashcards
1
Q
DNA replication is…
A
the method by which DNA is copied; semi-conservative
2
Q
Contains…
A
parent template and daughter strand
3
Q
enzyme that proofreads
A
DNA polymerase
4
Q
occurs at the…
A
replication forks
5
Q
enzyme that breaks down hydrogen bonds
A
helicase
6
Q
1st step
A
helicase breaks bonds which unwinds the DNA molecule
7
Q
2nd step
A
DNA polymerase adds complementary nucleotides to each strand of DNA
8
Q
RNA contains
A
- single strand instead of two
- ribose instead of deoxyribose
- uracil instead of thymine
9
Q
pyrimidines
A
T,C,U (1 ring)
10
Q
purines
A
A,G (2 rings)
11
Q
mRNA
A
messenger; carries instructions for making proteins
12
Q
tRNA
A
transfer; carry amino acids
13
Q
rRNA
A
ribosomal; help form ribosomes
