stem-cells：干細(xì)胞(留存版)
【正文】 y needed to get the reaction going – activation energy. 第七頁，共十六頁。 Usually end with “ase〞。 Enzymes ? All chemical reactions convert reactants to products. Ex. 2 HCl + Mg ? MgCl2 + H2 ? Enzymes are a class of protein. ? The job of an enzyme is to catalyze a reaction (help it get started). 第一頁，共十六頁。
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