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
Which of the following is used to determine the appropriate stringency (Wallace rule)?

Tm = 4 x (No.of G:C base pair) + 2 x (No.of A:T base pair)
Tm = 4 x (No.of A:T base pair) + 2 x (No.of G:C base pair)
Tm = 2 x (No.of G:C base pair) + 4 x (No.of A:T base pair)
Tm = 69.3° + 0.41 (%)G+C -650/1

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