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DNA Structure and Replication

DNA Structure and Replication
A cesium chloride will separate DNA molecules by

adhesion
absorption
resorption
density

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Leading strands
Okazaki fragments
Primers
Lagging strand

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DNA Structure and Replication
DNA helicase is used to

unwind the double helix
None of these
interact the double helix closely
break a phosphodiester bond in DNA strand

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

halonoid
solenoid
none of these
kinoplast

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

proteins and DNA were responsible for heredity
phage DNA was similar to bacterial DNA
DNA was responsible for heredity
the ratio of Adenine to thymine was always the same

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
G1 phase
M phase
S phase

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