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DNA Structure and Replication

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

Phosphate
Nitrogenous base
Nucleotide
Carbon

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

30 to 40%
10 to 20%
40 to 50%
20 to 30%

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DNA Structure and Replication
Each replication bubbles consists of

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

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DNA Structure and Replication
The role of primase is to

proofread base pairing
synthesize an RNA primer to begin the elongation process
dismantle RNA primer
cleave and unwinds short sections of DNA ahead of the replication fork

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

Guanine residue can not be calculated
15%
30%
60%

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DNA Structure and Replication
What bands will be observed in a cesium chloride gradient after two rounds of replication?

One medium and one heavy band
One light, one medium and one heavy band
One light and one medium band
One medium band

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