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DNA Structure and Replication

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

dATP
dGTP and dCTP
all of these
dTTP

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

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

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

exonuclease activity
no activity
endonuclease activity
nickase activity

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

reverse transcriptase
helicase
transposase
restriction endonuclease

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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?

Thousands and tens of thousands
none of these
About 100
One

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DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase III
none of these
Polymerase I
Polymerase II

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