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DNA Structure and Replication

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

linking number
none of these
helix frequency
twisting number

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DNA Structure and Replication
TM refers to the temperature at which

50% of a protein molecules are denatured
50% of a DNA molecule is denatured
All of these
membranes are 50% fluid

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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

pyrimidines
All of these
protamines
purines

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

dATP
dGTP and dCTP
dTTP
all of these

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

Bleomycin
Tunicamycin
Erythromycin
All of these

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DNA Structure and Replication
DNA replication results in

one new molecule of RNA
one new DNA molecules 1 old molecule
two completely new DNA molecules
two DNA molecules such that each one contains a strand of the original

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MORE MCQ ON DNA Structure and Replication

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