Which of the following is the prosthetic group of NADH dehydrogenase? a) FAD b) FMN c) NADH d) NADPH
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- Which coenzyme is most often used in dehydrogenation reactions of the type –CH2CH2- = -CH=CH- ? a) NAD b) FAD c) NADP d) FMN Which one of these transports fructose? A) GLUT-2 b) GLUT-3 c) GLUT-4 d) GLUT-5 The pyruvate dehydrogenase complex converts pyruvate to which molecule? A) oxaloacetate b) glycogen c) acetyl-CoA d) citrate The pyruvate dehydrogenase complex produces how many ATP molecules at the substrate level? A) 0 b) 1 c) 3 d) 4 The pyruvate dehydrogenase complex produces how many ATP molecules indirectly via oxidative phosphorylation per glucose molecule? A) 1 b) 3 c) 5 d) over 30Based on the name, NADH dehydrogenase isa) a vitamin that oxidizes NADH.b) a vitamin that reduces NADH.c) a vitamin that produces NADH.d) an enzyme that oxidizes NADH.e) an enzyme that reduces NADH.An intermediate of the citric acid cycle that undergoes reductive amination with glutamine as nitrogen donor is a-ketoglutarate a) b) Glutamine c) NADPH d) H+
- the reaction catalyzed by glyceradehyde 3-phosphate dehydrigenase is based on NAD+ and a active site cysteine. Also another phosphate group is added. what is the reason for that? a) because one ATP is consumed b) an inorganic phosphate is activated for ATP synthesis C) NADH can be recycld and than converted back to NAD+ for glycolysis d) because one ATP is generatedA dehydrogenase can definitely use which of the following as a substrate? A) acetyl-CoA B) ethanol C) not enough information to tell D) NAD+ E) glucose1)NADH is made from NAD+ by a)An oxidation-reduction reaction b)Oxidative phosphorylation c)A proton gradient d)A dehydration reaction e)Substrate-level phosphorylation 2. The energy used to make ATP via substrate-level phosphorylation is from a(n) a)Electron gradient b)Reduction reaction c)Phosphorylated molecule d)ADP molecule e) Protein gradient 3. Which of the following molecules, as written, is in its reduced form? a)NADH b)O2 c)NAD+ d)FAD e)CO2 4. Cellulose is a good structural molecule because a)The molecule is amphipathic, allow it to interact with water and nonpolar substances b)The bonds between the monomers are difficult to break, increasing its stability c)It is a mix of carbohydrate and protein, allowing it to form multiple types of bonds
- What enzyme is inhibited by the group of medications known as statins? a)HMG-CoA synthase b)Aromatase c)Fatty acid synthase d)CyclooxygenaseNADPH required for the enzyme glutathione reductase can be generated from-* a) HMP pathway b) Glycolysis c) TCA cycle d) All of the aboveC) acetyl CoA D) ATP 57) Which of the following processes is driven by H+ ions trapped in the inter membrane space? A) oxidative phosphorylation C) ATP hydrolysis B) substrate-level phosphorylation D) reduction of NAD+ to NADH 58) Which of the follovin
- Select the following enzymes that utilize a mechanism where ATP serves as the phosphate donor. Select ALL that apply: a) glyceraldehyde 3 phosphate dehydrogenase b) hexokinase c) aldolase class 1 d) PFK e) phosphoglucoisomeraseThe major control enzyme in glycolysis is: a) hexokinase b) phosphofructokinase c) aldolase d) pyruvate kinase In step 4, when fructose-1,6-biphosphate is cleaved, the two molecules formed are: a) GAP and DHAP b) GAP and 3-PG c) 3-PG and 2-PG d) PEP and pyruvate NAD is used in which step? A) conversion of DHAP to GAP b) conversion of GAP to 1,3-BPG c) conversion of 1,3-BPG to 3-PG d) conversion of PEP to pyrunate The number of ATP molecules formed at the substrate level in glycolysis is: a) 1 B) 2 c) 3 d) 5 The number of ATP molecules formed indirectly via oxidative phosphorylation in glycolysis is: a) 1 B) 2 c) 3 d) 5What metabolic products are formed from pyruvate in each case: a) anaerobic conditions in the body b) anaerobic conditions in yeast c) aerobic conditions