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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
pyrimidines
purines
protamines

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DNA Structure and Replication
When DNA polymerase is in contact with guanine in the parental strand, what does it add to the growing daughter strand?

Cytosine
Guanine
Phosphate
Uracil

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

all of these
Polymerase II
Polymerase I
Polymerase III

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DNA Structure and Replication
For the DNA replication in eukaryotes, the cell cycle consists of

G1, G2 and M phases
S, G2 and M phases
G2 and M phases
G1,S, G2 and M phases

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

None of these
covalent bonds between the pair of bases
hydrogen bonds between the pair of bases
ionic bonds between the pair of bases

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

an initiation codon
Ori
a promoter
Pro

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