MCG - Maintenance and use of genetic information Flashcards
from teachmed booklet 22-23
1
Q
42) In what phase of the cell cycle is DNA replicated?
a) S
b) G2
c) M
d) G1
e) G0
A
A
2
Q
49) Deamination changes the base C to ?
a) U
b) G
c) T
d) A
e) Hypoxanthine
A
A
3
Q
50) Which of the following is not true of extension of chromosomes by telomerase?
a) DNA synthesis occurs
b) Extension of DNA using chromosomal template
c) Extension of DNA using RNA template
d) Telomerase adds nucleotides in 5’ to 3’ direction
e) Formation of telomeres does not occur in somatic cells
A
b
4
Q
53) In homologous recombination of prokaryotes, free strands invading the homologous intact duplex, which is promoted by what?
a) RecA
b) Rad41
c) Rad51
d) RecG
e) LexA
A
a
rad51 is in prokaryotes
