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DNA Structure and Replication

DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

DNA polymerase
helicase
none of these
strandase

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Replication origins
Okazaki fragments
Replication forks

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

DNA polymerase
helicase
primase
DNA ligase

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

all of these
dATP
dGTP and dCTP
dTTP

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DNA Structure and Replication
Automated DNA sequencing uses the chain termination method

with no primer
but with a polynucleotide primer labeled with a fluorescent dye
either (b) or (c)
but with an oligonucleotide primer labeled with a fluorescent dye

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DNA Structure and Replication
The role of primase is to

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

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