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DNA Structure and Replication

DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

Guanine residue can not be calculated
30%
60%
15%

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

density
adhesion
absorption
resorption

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

shortening of the double stranded replicated portion
using RNA as a template
using enzyme called telomerase
None of these

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Primers
Leading strands
Okazaki fragments
Lagging strand

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DNA Structure and Replication
DNA replication results in

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

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DNA Structure and Replication
The role of primase is to

cleave and unwinds short sections of DNA ahead of the replication fork
proofread base pairing
dismantle RNA primer
synthesize an RNA primer to begin the elongation process

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