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DNA Structure and Replication

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

dTTP
all of these
dGTP and dCTP
dATP

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
G2 phase
M phase
S phase

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

One
About 100
Thousands and tens of thousands
none of these

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

covalent bonds between the pair of bases
None of these
ionic bonds between the pair of bases
hydrogen bonds between the pair of bases

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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
TFIID
zinc finger

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

RNA ligase
polymerase
DNA ligase
gyrase

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