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DNA Structure and Replication

DNA Structure and Replication
In an agarose gel, DNA is moving from

left to right
anode to cathode
cathode to anode
A to B

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

comparison with a molecular weight standard such as Hind III digested phage lambda
the time it takes the gel to run
the sedimentation coefficient
fluorescence in UV light

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

None of these
using enzyme called telomerase
using RNA as a template
shortening of the double stranded replicated portion

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

semi-conservative theory
evolutionary theory
dispersive theory
conservative theory

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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
proofread base pairing
synthesize an RNA primer to begin the elongation process

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

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

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