The initiation and continued elongation of excised embryonic axes from Phascolus vulgaris L. (var. WVhite Marrowfat) apparently depend on protein synthesis since puromycin, cycloheximide and actinomycin D strongly inhibit growth as well as amino acid incorporation into protein (9). In an attempt to extend these findings, I have tested the effects on axis growth of various amino acid analogtues ...

Adolescent pregnancy has oc­ curred throughout America’s his­ tory. Only in recent years has it been deemed an urgent crisis, as more young adolescent mothers give birth outside of marriage. Atrisk circumstances associated with adolescent pregnancy in­ clude medical and health compli­ cations, less schooling and higher dropout rates, lower career aspi­ rations, and a life encircled by poverty. ...