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DNA Structure and Replication

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

reverse transcriptase
restriction endonuclease
transposase
helicase

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DNA Structure and Replication
The role of primase is to

proofread base pairing
cleave and unwinds short sections of DNA ahead of the replication fork
dismantle RNA primer
synthesize an RNA primer to begin the elongation process

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DNA Structure and Replication
Which is the largest among the followings?

Nitrogenous base
Carbon
Nucleotide
Phosphate

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

dATP
all of these
dGTP and dCTP
dTTP

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

All of these
Bleomycin
Erythromycin
Tunicamycin

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

more DNA polymerases are found in eukaryotes
multiple origins of replication in eukaryotes
eukaryotic DNA polymerases are faster
RNA primers are not required in eukaryotes

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