quiz 12 Flashcards
1
Q
fred griffith’s mice expirement
A
injected mice died, meaning nonpathogenic strain could be transformed by killed pathogenic strain
2
Q
20% adenine, means how much cytosine?
A
30%
3
Q
each daughter molecule has one old and one new strand
A
conservative model
4
Q
can dna replication proceed in both 5-3 and 3-5?
A
no
5
Q
enzyme that unwinds double helix
A
helicase
6
Q
during dna replication…
A
both leading and lagging strands synthesized in 5-3
7
Q
what proofreads new dna, replacing incorrect nucleotides?
A
dna polymerase
8
Q
keeps dna in double helix
A
telomeres
9
Q
composition of eukaryotes
A
single, linear molecule of double-stranded dna plus proteins
10
Q
where does dna replication begin?
A
origin of replication
