Manipulation of Genetic Material and Mutations MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Manipulation of Genetic Material and Mutations, a fundamental topic in the field of Molecular Biology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Manipulation of Genetic Material and Mutations MCQs are designed to help you grasp the core concepts and excel in solving problems.

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Manipulation of Genetic Material and Mutations MCQs | Page 5 of 9

Q41.
By which enzyme does E. coli tags its parental DNA strand?
Discuss
Answer: (a).Methylase
Q42.
If the Mut H cuts the DNA at the 5’ side of the mismatch then which nuclease is activated?
Discuss
Answer: (a).Exonuclease VII
Q43.
What are the eukaryotic components of Mut S and Mut L of E. coli?
Discuss
Answer: (a).MSH, MLH
Q44.
High level of mutation in the germ cells is acceptable but in somatic cells can be catastrophic.
Discuss
Answer: (b).False
Q45.
Which base undergoes spontaneous damage under physiological conditions?
Discuss
Answer: (b).Cytosine
Q46.
With which base uracil pairs in the opposite strand upon replication?
Discuss
Answer: (a).Adenine
Q47.
Which base is generated due to the deamination of adenine?
Discuss
Answer: (d).Hypoxanthine
Q48.
Which base is generated by the deamination of guanine?
Discuss
Answer: (a).Xanthine
Q49.
Bases in the mRNA undergo depurination.
Discuss
Answer: (b).False
Q50.
In vertebrate DNA, which base is frequently present in place of cytosine on which methyl transferase acts?
Discuss
Answer: (b).5-methylcytosine
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