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Biochemistry - DNA Structure and Replication

Exercise : DNA Structure and Replication - Section 1
6.
Taylor, Woods and Hughes labeled Vicia DNA by allowing new DNA synthesis in the presence of radioactive thymine. After DNA replication (S phase of the cell cycle), it was observed that
only one chromatid of a chromosome was labeled
both chromatids of a chromosome were labeled
both (a) and (b)
neither chromatid was labeled
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In DNA double helix, the two DNA chains are held together by
covalent bonds between the pair of bases
hydrogen bonds between the pair of bases
ionic bonds between the pair of bases
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The 5' and 3' numbers are related to the
length of the DNA strand
carbon number in sugar
the number of phosphates
the base pair rule
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Messelsen and Stahl model of replication was called
conservative replication
semi-conservative replication
dispersive replication
Cri du Chat
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The most common liquid volumes in molecular biology are measured in
ml
μl
nl
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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