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DNA Structure and Replication

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

DNA polymerase
Telomerase
DNA ligase
Primase

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

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

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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
shortening of the double stranded replicated portion
using enzyme called telomerase
using RNA as a template

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DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

60 to 80°C
70 to 90°C
50 to 60°C
80 to l00°C

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DNA Structure and Replication
The packing ratio of nucleosomes is about

9
8
7
6

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

A-DNA
Z-DNA
B-DNA
X-DNA

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