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DNA Structure and Replication

DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
semi-conservative theory
conservative theory
dispersive theory

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

Dehydration
Single strand break
Formation of thymine dimers
Depurination

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

S phase
M phase
G1 phase
G2 phase

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high A-T content
DNA with a high A-T content
DNA with a high G-C content
RNA with a high G-C content

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DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

twisting number
linking number
none of these
helix frequency

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

kinoplast
solenoid
none of these
halonoid

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