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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?

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

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It binds to phosphate
It does not interact
It intercalates between bases

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DNA Structure and Replication
Each replication bubbles consists of

1 replication forks
2 replication forks
3 replication forks
4 replication forks

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
semi-conservative theory
dispersive theory
conservative theory

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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
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

a promoter
Pro
an initiation codon
Ori

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