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+--- Thread: nbme - att (/showthread.php?tid=45037)
nbme - att - ArchivalUser - 05-12-2005
6. Normal healthy children are able to mount diverse antibody responses to several thousands of different antigens. This process is based primarily on which of the following DNA mechanisms?
A) Amplification
B) Conformation
C) Recombination
D) Repair
E) Replication
0 - ArchivalUser - 05-12-2005
ithink this is recombination due to class switching<not sure
0 - ArchivalUser - 05-12-2005
i think replication
0 - ArchivalUser - 05-12-2005
ok u may be right lisa
0 - ArchivalUser - 05-12-2005
V(D)J recombination is an important source of antibody diversity, since the V(D)J segment is the part of the antibody that recognizes antigen. There are multiple copies of the V, D, and J genes in the human genome, and a functioning antibody will be one of over a million possible combinations.
0 - ArchivalUser - 05-12-2005
thanks lisa for ur correction
0 - ArchivalUser - 05-12-2005
I think ans is C
0 - ArchivalUser - 05-12-2005
Ans: A ....
0 - ArchivalUser - 05-13-2005
can u explain aladhwa