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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?

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

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

Telomerase
Primase
DNA polymerase
DNA ligase

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

A-DNA
X-DNA
Z-DNA
B-DNA

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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
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?

Semi-conservative theory
Dispersive theory
Evolutionary theory
Conservative theory

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

high temperature and Mg++
low temperature and Ca++
high temperature and Ca++
low temperature and Mg++

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