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DNA Structure and Replication

DNA Structure and Replication
The 5' and 3' numbers are related to the

the base pair rule
carbon number in sugar
length of the DNA strand
the number of phosphates

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity
5' → 3' exonuclease activity
partially 5' → 3' endonuclease activity

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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
Can not be compared
Increases
Remains same

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

bZIP
helix-turn-helix
zinc finger
TFIID

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

ml
μl
nl
1

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

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

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