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DNA Structure and Replication

DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H4
Histones H2A and H2B
Histone H1
Histone H3

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

a promoter
Ori
an initiation codon
Pro

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DNA Structure and Replication
TM refers to the temperature at which

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

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

Cytosine
Thymine
Guanine
Adenine

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

Helicase
DNA polymerase
DNA ligase
Primase

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DNA Structure and Replication
The role of primase is to

synthesize an RNA primer to begin the elongation process
proofread base pairing
cleave and unwinds short sections of DNA ahead of the replication fork
dismantle RNA primer

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