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DNA Structure and Replication

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

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

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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

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

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DNA Structure and Replication
TM refers to the temperature at which

membranes are 50% fluid
50% of a protein molecules are denatured
50% of a DNA molecule is denatured
All of these

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' exonuclease activity
5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity
partially 5' → 3' endonuclease activity

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

Nitrogenous base
Nucleotide
Phosphate
Carbon

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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?

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

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