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DNA Structure and Replication

DNA Structure and Replication
DNA replication takes place in which direction?

5 'to 3'
Vary from organism to organism
Randomly
3' to 5'

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

Helicase
DNA polymerase
DNA ligase
Primase

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DNA Structure and Replication
In an agarose gel, DNA is moving from

A to B
left to right
anode to cathode
cathode to anode

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

All of these
protamines
purines
pyrimidines

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Single strand break
Depurination
Dehydration
Formation of thymine dimers

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
S phase
G2 phase
M phase

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