Genetics Flashcards
1
Q
DNA is copied into RNA
A
Transcription
2
Q
RNA is used to synthesize encoded protein
A
Translation
3
Q
Central dogma
A
DNA –> RNA –> protein
4
Q
How many H bonds between adenine and thymine?
A
Two
5
Q
How many H bonds between cytosine and guanine?
A
Three
6
Q
Enzyme that unzips DNA helix
A
Helicase
7
Q
Enzyme that synthesizes short regions of RNA called primers
A
Primases
8
Q
Which direction does DNA polymerases synthesize?
A
5’ to 3’ (+ strand)
9
Q
Enzyme that forms covalent bonds between adjacent nucleotides
A
Ligase
10
Q
What is the correct order of DNA replication?
A
Helicase, primase, DNA polymerase, DNA ligase
11
Q
Temporary copy of genetic information
A
mRNA
12
Q
Codon = how many nucleotides?
A
Three
13
Q
Start codon
A
AUG
14
Q
1 incorrect nucleotide
A
Base substitution
15
Q
Mutation that codes for same amino acid as original
A
Synonymous/silent
