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DNA Structure and Replication

DNA Structure and Replication
Which of the following would not contain DNA?

Glass crystals
Mold
Yeast
Bacteria

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

dATP
all of these
dGTP and dCTP
dTTP

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DNA Structure and Replication
TM refers to the temperature at which

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

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DNA Structure and Replication
An RNA primer is synthesized by

primase
DNA helicases
ligase
DNA topoisomerase

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DNA Structure and Replication
In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%?

Decreases
Increases
Can not be compared
Remains same

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

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

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