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DNA Structure and Replication

DNA Structure and Replication
A cesium chloride will separate DNA molecules by

absorption
resorption
adhesion
density

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DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H3
Histone H4
Histone H1
Histones H2A and H2B

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DNA Structure and Replication
DNA polymerases I also has

5'-3' endonuclease activity
5'-3' exonuclease activity
3'-5'exonuclease activity
both (a) and (b)

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

utilization the same enzyme
incorporation of deoxynucleotides
None of these
synthesis in the 5'-3' direction

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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

none of these
DNA polymerase
helicase
strandase

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

None of these
using RNA as a template
shortening of the double stranded replicated portion
using enzyme called telomerase

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