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DNA Structure and Replication

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

dTTP
all of these
dGTP and dCTP
dATP

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

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

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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

protamines
pyrimidines
All of these
purines

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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 enzyme called telomerase
None of these
using RNA as a template

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

DNA ligase
Primase
Telomerase
DNA polymerase

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Conservative theory
Dispersive theory
Semi-conservative theory
Evolutionary theory

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