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DNA Structure and Replication

DNA Structure and Replication
DNA replication takes place in which direction?

3' to 5'
Vary from organism to organism
5 'to 3'
Randomly

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

Guanine residue can not be calculated
60%
15%
30%

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

Histones H2A and H2B
Histone H4
Histone H1
Histone H3

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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
Which polymerase is active in DNA repairing

Polymerase III
none of these
Polymerase II
Polymerase I

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DNA Structure and Replication
DNA helicase is used to

break a phosphodiester bond in DNA strand
unwind the double helix
None of these
interact the double helix closely

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