The Realm of Science: The code of life: genetics and development

activity agar amino acids animals auxin Avena bacteria basal medium base become biochemical biological capsular carrot cell division changes chemical chromosomes clock coconut milk codons coleoptile cotyledons culture curvature daylength desoxyribonucleic differentiation effect embryo enzyme evidence experimental experiments explants extract factors fibers flowering formation gelatine gene genetic geotropic germen grow growth growth-regulators halves hybrids inactivated Indiana University Bloomington induced isolated later length light lysogenic material ment metabolism method molecular molecules morphogenesis mutant nerve Neurospora normal nucleic acid nucleus observed obtained occur organism phage phloem photoperiod phototropic plants Pneumococcus pollen Proc produce prophage protein synthesis purified rabbit serum radicle reaction rhythms roots Salmonella seedlings seeds side SIII SIII SIII specific stage strains structure stumps substance tain temperature tested threads tion tissue tive totipotency trans transduction transforming principle triplets tubes ture vesicles virus vitamin