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hmmmmm i talked bout b cells = antibody mediated response - antibodies are produced to attack antigens; t cells = cell mediated response - t cells coordinate themselves and other lymphocytes to attack the pathogen

wat things did people say wen distinguishing between t and b lymphocytes? was mentioning that one comes from bone marrow and the other from thymus gland important? cos i didnt....

did anyone mention say that it is UNJUSTIFIED, to an extent. eg: unknown side effects, eg: causing internal bleeding in rats

Huh?> The archaeopteryx had nothing to do with vertebrate limbs ... thats transitional forms regarding palaeontology. I think the question required pentadactyl limbs, eg: bats have same pentadactyl limb structures as humans, even though it is extended to form their wings, thus showing a common...

Did anyone identify a vision/hearing problem that was caused by a failure to RESPOND to stimuli?? Oh, and can someone tell me wat nucleotide question... i dont think i even saw it - was it the very first question of section I??? !!!