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DNA Structure and Replication

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

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

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

1
ml
nl
μl

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

strandase
DNA polymerase
none of these
helicase

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DNA Structure and Replication
TM refers to the temperature at which

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

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

transposase
reverse transcriptase
helicase
restriction endonuclease

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

antiparallel
mutational
discontinuous
semiconservative

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MORE MCQ ON DNA Structure and Replication

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