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DNA Structure and Replication

DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

none of these
twisting number
helix frequency
linking number

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

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

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

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

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

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

discontinuous
semiconservative
mutational
antiparallel

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MORE MCQ ON DNA Structure and Replication

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