1. Which of the following statements concerning primitive cells is FALSE? A.They used organic molecules to satisfy their energy requirements. B.They constructed new cells from organic molecules made via photosynthesis C.They acquired the ability to grow. D.They acquired the ability to response. E.They acquired the ability to pass on their characteristics to subsequent generations. 2. The matrix of the plant cell wall contains: A.microfibrils and pectins. B.pectins and hemicelluloses. C.cellulose and chitin D.chitin and glycogen. E.hemicelluloses and oligosaccharins 3.In an allosteric enzyme, the substrate binds at the __ site and the regulatory substance binds at the __ side A.Active; inhibitor B.effector; active C.active; effector D.inhibitor; active E.inhibitor; effector 4.In the reactions of glycolysis, ATP is formed: A.when glucose is split. B.when fructose-1,6-bisphosphate is split. C.when NADH donates electrons and protons to the electron transport chain. D.by the process of substrate-level phosphorylation. E.by the process of oxidative phosphorylation. 感谢 希望有神人可以解答 --

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