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DNA Structure and Replication

DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

introns
moving elements
transposons
retrovirus

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

Helicase
Primase
DNA polymerase
DNA ligase

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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
In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band

with 14N-containing DNA
above DNA containing 14N
all of these
below DNA containing 14N

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DNA Structure and Replication
Which is the largest among the followings?

Carbon
Nucleotide
Phosphate
Nitrogenous base

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DNA Structure and Replication
The enzyme responsible for breaking the hydrogen bonds, and thus separating the DNA strands during DNA synthesis is

strandase
DNA polymerase
helicase
none of these

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