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DNA Structure and Replication

DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dGTP and dCTP
dTTP
all of these
dATP

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

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

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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

pyrimidines
purines
protamines
All of these

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

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

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DNA Structure and Replication
Which polymerase is active in DNA repairing

Polymerase I
none of these
Polymerase II
Polymerase III

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase III
Polymerase I
Polymerase II

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