abietadiene hydroxylase - acrylamide gels - Act 1 adaptor protein - adenine - adenosine deaminase deficiency - adenovirus - adenylyl-(glutamate—ammonia ligase) hydrolase - agarose gel electrophoresis - agarose gel - akaryocyte - Alagille syndrome - alkaline lysis - allele - amino acids - amino terminus - amp resistance - amplification - amplicon - anchor sequence - animal model - anneal - anthranilate adenylyltransferase - anti-sense strand - antibiotic resistance - antibody - antisense - antisense strand - AP-1 site - apo-beta-carotenoid-14,13-dioxygenase - apoptosis - apovitellenin-1 - archease - arenicin - ArgJ protein family - ascorbate 2,3-dioxygenase - assembled epitope - ataxia-telangiectasia - ATG or AUG - ATP cone - autoimmune lymphoproliferative syndrome - autoradiography - autosomal dominant - autosome - avidin -