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DNA Structure and Replication

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

kinoplast
halonoid
solenoid
none of these

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase III
Polymerase II
Polymerase I

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DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA polymerase
Helicase
DNA ligase
Primase

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DNA Structure and Replication
Who's X-ray work aided Watson and Crick in their discovery of the double helix?

W.H. Bragg
R. Franklin
Leaderberg
L. Pauling

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DNA Structure and Replication
DNA helicase is used to

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

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

an initiation codon
Ori
a promoter
Pro

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