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DNA Structure and Replication

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

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

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
S phase
M phase
G1 phase

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It intercalates between bases
It binds to adenine
It binds to phosphate
It does not interact

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DNA Structure and Replication
Proteins involved in opening a replication bubble are

ligase
single stranded binding proteins
DNA topoisomerase
DNA helicases

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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

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

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DNA Structure and Replication
TM refers to the temperature at which

50% of a DNA molecule is denatured
All of these
50% of a protein molecules are denatured
membranes are 50% fluid

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