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DNA Structure and Replication

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

Nucleotide
Nitrogenous base
Carbon
Phosphate

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DNA Structure and Replication
Reverse transcriptase produces

DNA from peptides
RNA from RNA
RNA from DNA
DNA from RNA

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

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

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

none of these
linking number
twisting number
helix frequency

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DNA Structure and Replication
How does ethidium bromide interact with DNA?

It binds to adenine
It binds to phosphate
It does not interact
It intercalates between bases

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DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
2 replication forks
4 replication forks
1 replication forks

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