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DNA Structure and Replication

DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

polymerase
gyrase
DNA ligase
RNA ligase

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DNA Structure and Replication
The packing ratio of nucleosomes is about

7
8
6
9

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DNA Structure and Replication
The chromosomal DNA complexes with

four types of histone as H1, H2A, H3 and H4
two types of histone as H1 and H4
five types of histone as H1, H2A, H2B, H3 and H4
three types of histone as H1, H2A and H4

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DNA Structure and Replication
The accepted hypothesis for DNA replication is

evolutionary theory
conservative theory
semi-conservative theory
dispersive theory

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high G-C content
DNA with a high G-C content
DNA with a high A-T content
RNA with a high A-T content

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

X-DNA
Z-DNA
A-DNA
B-DNA

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