【摘要】 本文探讨了培养基中不同浓度的重金属离子(Ｃｒ^＋２、Ｐｂ^＋２)对酵母的影响。实验结果表明，重金属离子的浓度越高，酵母菌的一系列生理生化指标：如每个培养皿的菌落数、细胞直径、蛋白质、核酸及可溶性糖的含量都有不同程度的降低。更多还原

【Abstract】 This thesis has studied that different concentration of two heavy metal irons have some effects on the S.cerevisiae growth. The results show that when concentration of irons are risen the clony numbers, the diameter ofcell, the content of protein, nucleic acids and soluble sugar in the yeast all descended.更多还原