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DNA Structure and Replication

DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

RNA polymerase
both (a) and (b)
reverse transcriptase
primase

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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%?

Remains same
Decreases
Increases
Can not be compared

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

Glass crystals
Bacteria
Yeast
Mold

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

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

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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

purines
protamines
pyrimidines
All of these

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DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

replication
transduction
translation
transformation

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