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DNA Structure and Replication

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

Ori
an initiation codon
Pro
a promoter

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

mRNA, anticodons
Lagging strand, ligase
tRNA, polymerase
Leading strand, polymerase

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DNA Structure and Replication
Telomeres are usually rich in which nucleotide?

Adenine
Guanine
Cytosine
Thymine

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

B
None of these
H
S

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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
L. Pauling
Leaderberg

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DNA Structure and Replication
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

above DNA containing 14N
with 14N-containing DNA
all of these
below DNA containing 14N

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