【正文】
ransport system 2Which process produces both NADH and FADH2 ?A the Krebs cycle B glycolysis C the electron transport system D fementation2Which process reduces molecular oxygen to water?A、the krebs cycle B、glycolysis C、the electron transport system D、fermentation2One turn of the Krebs cycle produces A、2 NADH, 2FADH2 , 2ATP B、3 NADH, 1FADH2 , 1ATPC、1NADH, 2FADH2 , 2ATP D、3NADH, 3FADH2 , 1ATP2About of the energy in the sucrose molecule is captured in ATP through the reaction of cellular respirationA、52% B、84% C、36% D、26% Which of these pairs of processes are anaerobic?A、fermentation and glycolysis B、fermentation and the Krebs cycle C、glycolysis and the krebs cycle D、glycolysis and the electron transport system.3The process of splitting larger molecules into smaller ones is an aspect of metabolism called A、fermentation B、chemiosmosis C、anabolism D、catabolism 3The pathway through which glucose is degraded to pyruvate is referred to as A、the citric acid cycle B、the oxidation of pyruvate C、glycolysis D、aerobic respiration3The reaction of take place within the cytosol of eukaryotic cells.A. the electron transport chain B. chemiosmosis C. the citric acid cycle D. glycolysis 3In the first step of the citric acid cycle, acetyl CoA reacts with oxaloacetate to form A、NADH B、citrate C、pyruvate D、CO23Which of the following is a major source of electrons for the electron transport chain in respiration?A、ATP B、NADH C、H2O D、coenzyme 3In the process of electron transport and ATP synthesis are coupled by a proton gradient across the inner mitochondrial membrane.A、glycolysis B、anaerobic respirationC、decarboxylation D、chemiosmosis 3Which of the following is a mon energy stored in glucose?A、glucose→oxygen→NADH→waterB、glucose→NADH→ATP→electron transport chainC、glucose→NADH→electron transport chain→ATPD、glucose→electron transport chain→ATP→NADH3Which multiprotein plex in the respiratory electron transport chain is responsible for reducing molecular oxygen?Ⅰ(NADH dehydrogenase) Ⅱ(succinate dehydrogenase) Ⅲ(cytochrome bc1 plex) Ⅳ(cytochrome oxidase) Ⅴ(ATP synthase)六、填空題(put the best word in the blanks)1.呼吸作用可分 和 兩大類,有氧呼吸的反應(yīng)式是 。A強(qiáng)B中等C弱14.呼吸作用的底物為( )。A 2B 3C 410.EMP和PPP的氧化還原輔酶分別為( )。ParnasC Krebs5.三羧酸循環(huán)的各個(gè)反應(yīng)的酶存在于( )。A有氧呼吸B無氧呼吸C光呼吸4.三羧酸循環(huán)是哪一位科學(xué)家首先發(fā)現(xiàn)的( )。(