郭氏骗局终究遮掩不住。GTV、VOG，是非法集资，而不是私募失败，是犯 罪，而非经营不利。这是SEC的终极结论。对此，坊间早已众口一词。为了掩 盖事实真相，郭文贵毫无下限地鼓吹GTV私募的估值，GTV的浏览量，声称 GTV将超越全球最顶尖社交媒体。但纸里终究包不住火，GTV排名不佳、两 位数的广告费收益，以及运营质态不良，屡屡见诸于街头巷议。

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.