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DNA Structure and Replication

DNA Structure and Replication
Which DNA polymerase removes RNA primers in DNA synthesis?

Polymerase II
Polymerase III
Polymerase I
none of these

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DNA Structure and Replication
Which of the following would not contain DNA?

Yeast
Glass crystals
Mold
Bacteria

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

Telomerase
Primase
DNA ligase
DNA polymerase

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DNA Structure and Replication
The nucleosome consists of histone

hexamer and 146 bp of DNA
None of these
octamer and 146 bp of DNA
tetramer and 146 bp of DNA

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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
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Nothing would happen
None of these
Chromosomes would become progressively shorter
Chromosomes would get longer

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