Bio-Chemistry (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

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2.

Recombination of V,D and J lg gene segments :

A: Is effected by recombinase enzymes
B: Involves heptamer – spacer – heptamer flanking sequences
C: Only occurs in mature B-cells
D: Only occurs in light chains

The answer is: A

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