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DNA Structure and Replication

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

transformation
translation
replication
transduction

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DNA Structure and Replication
Reverse transcriptase produces

RNA from RNA
DNA from RNA
RNA from DNA
DNA from peptides

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

transposase
helicase
reverse transcriptase
restriction endonuclease

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

the sedimentation coefficient
fluorescence in UV light
comparison with a molecular weight standard such as Hind III digested phage lambda
the time it takes the gel to run

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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%?

Increases
Remains same
Decreases
Can not be compared

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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
Lagging strand
Okazaki fragments

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