IndiaBIX

Microbiology - DNA Replication

Exercise : DNA Replication - Section 1
  • DNA Replication - Section 1
11.
Which of the following enzymes unwind short stretches of DNA helix immediately ahead of a replication fork?
DNA polymerases
Helicases
Single-stranded binding proteins
Topoisomerases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
During DNA replication in prokaryotes, synthesis begins on the circular chromosome
always at the same place
at any stretch of DNA that is high in AT pairs
randomly on the chromosome
at the promoter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
DNA replication rates in prokaryotes are approximately of the order of
10 bases per second
1,00 bases per second
1,000 bases per second
10,000 bases per second
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which of the following lacks 3'-5' exonuclease activity?
Short fragment of DNA polymerase I
Taq DNA polymerase
T4 DNA ligase
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The synthesis of DNA by DNA polymerase occurs in the
3' to 5' direction
5' to 5' direction
5' to 3' direction
3' to 3' direction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers