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DNA Sequencing, Mutation and Repair

DNA Sequencing, Mutation and Repair
Thymine dimers are directly repaired with the help of visible light by process known as

photoreactivation
photosynthesis
excision repair
phosphorylation

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DNA Sequencing, Mutation and Repair
Differentiation of four different bases in automated sequencing systems is that each base has

distinctive fluorescent tag
cytosine at start
different radioactive tag
unique antibody bound to it

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DNA Sequencing, Mutation and Repair
Which of the following(s) is/are steps in excision repair mechanisms?

Excision
All of these
Incision
Ligation

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DNA Sequencing, Mutation and Repair
What was the first eukaryotic chromosome to be sequenced?

Yeast chromosome III
None of these
Yeast chromosome XI
Arabidopsis chromosome IV

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DNA Sequencing, Mutation and Repair
Frame shift mutation may occur as a result of

formation of a thymine-dimer
conversion of guanine to xanthine
None of these
deamination of cytosine to uracil

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DNA Sequencing, Mutation and Repair
The mutation which will not affect the length of a protein is,

missense mutation
frameshift mutation
nonsense mutation
all of these

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