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DNA Structure and Replication

DNA Structure and Replication
DNA replication in eukaryotes occurs only in

S phase
G2 phase
M phase
G1 phase

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Xenopus laevis
Strongylocentrotus purpuratus
Saccharomyces cerevisiae
Arabidopsis thaliana

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

Leaderberg
L. Pauling
R. Franklin
W.H. Bragg

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DNA Structure and Replication
DNA polymerases I also has

both (a) and (b)
5'-3' exonuclease activity
3'-5'exonuclease activity
5'-3' endonuclease activity

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

eukaryotic DNA polymerases are faster
RNA primers are not required in eukaryotes
multiple origins of replication in eukaryotes
more DNA polymerases are found in eukaryotes

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DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dTTP
all of these
dGTP and dCTP
dATP

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