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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

conservative theory
semi-conservative theory
evolutionary theory
dispersive theory

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

helicase
strandase
DNA polymerase
none of these

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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
Enzymes, responsible for unraveling short segments of DNA is

primase
DNA ligase
DNA polymerase
helicase

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

semi-conservative replication
dispersive replication
Cri du Chat
conservative replication

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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
pyrimidines
protamines
purines

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