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DNA Structure and Replication

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

All of these
protamines
purines
pyrimidines

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It does not interact
It intercalates between bases
It binds to phosphate

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

Guanine
Cytosine
Thymine
Adenine

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DNA Structure and Replication
Each replication bubbles consists of

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

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DNA Structure and Replication
Okazaki fragments occur during

synthesis
polymerase reaction
transformation
replication

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DNA Structure and Replication
DNA gyrase in E. coli

is required only at the oriC site
performs the same function as helicase in eukaryotes
adds positive supercoils to chromosomal DNA
can be inhibited with antibiotics

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