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Microbiology - DNA Sequencing, Mutation and Repair

Exercise : DNA Sequencing, Mutation and Repair - Section 1
  • DNA Sequencing, Mutation and Repair - Section 1
16.
Which of these mechanisms for thymine dimers repair lead to mutations?
Excision repair
Photoreactivation
SOS repair
Never leads to mutation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Frame shift mutation may occur as a result of
formation of a thymine-dimer
deamination of cytosine to uracil
conversion of guanine to xanthine
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Thymine dimers are directly repaired with the help of visible light by process known as
phosphorylation
excision repair
photosynthesis
photoreactivation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The promoter on an expression vector used to overproduce proteins in bacteria is
a bacterial promoter
expressed both in bacteria and mammalian cells
not a regulated promoter
the natural promoter of the gene being cloned
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Differentiation of four different bases in automated sequencing systems is that each base has
different radioactive tag
cytosine at start
unique antibody bound to it
distinctive fluorescent tag
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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