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DNA Structure and Replication

DNA Structure and Replication
The packing ratio of nucleosomes is about

9
6
7
8

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DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
2 replication forks
4 replication forks
1 replication forks

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DNA Structure and Replication
The role of primase is to

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

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DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

purines
protamines
pyrimidines
All of these

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Okazaki fragments
Replication forks
Replication origins

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DNA Structure and Replication
DNA replication results in

one new molecule of RNA
one new DNA molecules 1 old molecule
two completely new DNA molecules
two DNA molecules such that each one contains a strand of the original

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