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DNA Structure and Replication

DNA Structure and Replication
Reverse transcriptase produces

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

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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
Can not be compared
Increases
Decreases

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DNA Structure and Replication
Which will require a higher temperature to denature?

DNA with a high G-C content
RNA with a high G-C content
RNA with a high A-T content
DNA with a high A-T content

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

bZIP
zinc finger
helix-turn-helix
TFIID

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

helicase
restriction endonuclease
reverse transcriptase
transposase

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

mRNA, anticodons
Lagging strand, ligase
tRNA, polymerase
Leading strand, polymerase

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