Translation and Transcription Flashcards
1
Q
helicase
A
unwinds DNA
2
Q
topoisomerase
A
relieves tension
3
Q
Primase (RNA Primer)
A
is the RNA primer
4
Q
DNA Pol
A
Makes new DNA
5
Q
DNA ligase
A
links okazaki fragments
6
Q
SSBI (Single stranding binding proteins)
A
keeps DNA apart
7
Q
DNA Polymerase can fix mistakes
A
called proofreading
8
Q
endonucleases have _____ sequences
A
palindromic (i.e. GCGC) (cuts out specific sequences in DNA errors)
9
Q
lac operon
A
inducible system
10
Q
trp operon
A
repressive system
11
Q
RNA Polymerase I, II, and III (functions?)
A
rmt
I=rRNA
II=mRNA
III=tRNA
12
Q
Transcription ends with which three gene mods?
A
5 prime cap
3 poly A tail
splicing
13
Q
pi definition
A
pH at which amino acid is neutral
14
Q
low pH (amino charge)
A
+ charge
15
Q
high PH (amino charge)
A
- charge
