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DNA Structure and Replication

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

Nucleotide
Phosphate
Carbon
Nitrogenous base

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DNA Structure and Replication
DNA polymerases I also has

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

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

both (a) and (b)
RNA polymerase
reverse transcriptase
primase

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DNA Structure and Replication
The packing ratio of nucleosomes is about

6
9
7
8

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DNA Structure and Replication
Which of the following is an active site on its single polypeptide chain for DNA Polymerase I?

5' → 3' exonuclease
3' → 5' exonuclease
All of these
5' → 3' polymerase

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
Leading strand, polymerase
mRNA, anticodons
Lagging strand, ligase

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