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Biochemistry - DNA Structure and Replication

Exercise : DNA Structure and Replication - Section 2
6.
What is the approximate percentage of repetitive DNA sequences in human DNA?
10 to 20%
20 to 30%
30 to 40%
40 to 50%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
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
using RNA as a template
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The rapid appearance of HIV-1 strains that are resistant to AIDS drugs is due in part to which of the following property of its reverse transcriptase?
AZT (zidovudine) is too expensive to be taken in effective doses
The RNase H domain of p66 causes error prone synthesis
It lacks a proofreading exonuclease
It has low affinity for the correct dNTP's
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The packing ratio of nucleosomes is about
6
8
7
9
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?
One
Two
Three
A smear
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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