Concept explainers
Interpretation: To determine the number of proton transfer across the inner mitochondrial membrane that is effected by one NADH molecule in the electron transport chain.
Concept introduction: Oxidative phosphorylation is the biochemical process for the synthesis of ATP from ADP and
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- In which of the following listings of citric acid cycle intermediates are the compounds listed in the order in which they arc encountered in a turn of the cycle? a. isocitrate, oxaloacetate, succinate b. succinate, malate, oxaloacetate c. citrate, oxaloacetate, fumarate d. no correct responsearrow_forwardWhat is the substrate that initially interacts with protein complex II in the electron transport chain a. NADH b. FADH2 c. CoQ d. no correct responsearrow_forwardHormone-sensitive lipase needed for triacylglycerol mobilization is activated by a. epinephrine b. cAMP c. adipocytes d. no correct responsearrow_forward
- In the degradation of heme, the iron atom present is released and then a. eliminated from the body in the urine b. captured by the iron-storage protein ferritin c. captured by the B vitamin niacin d. no correct responsearrow_forwardWhich of the following hormones promotes the uptake and use of glucose by cells a. insulin b. glucagon c. epinephrine d. no correct responsearrow_forwardAccumulation of which of the following substances in muscle cells is the cause of stiffness and soreness after vigorous exercise? a. pyruvate b. lactate c. acetyl CoA d. no correct responsearrow_forward
- In which of the following listings of electron carriers in the electron transport chain are the carriers listed in the order in which they are first encountered? a. FeSP, CoQ, cyt b b. FMN, cyt c, CoQ c. CoQ, FMN, cyt a d. no correct responsearrow_forwardHow many NADH and FADH2 molecules are produced, respectively, during one turn of the citric acid cycle? a. 2 and 2 b. 3 and 1 c. 1 and 3 d. no correct responsearrow_forwardWhich of the following is a fuel for the electron transport chain? a. acetyl CoA b. carbon dioxide c. NADH d. no correct responsearrow_forward
- Question 15 Glycogen storage disease type I (GSD I) or von Gierke's disease, is the most common of the glycogen storage diseases. This genetic disease results from deficiency of the enzyme glucose-6-phosphatase. The metabolic outcomes of GSD I are likely to include: O Low blood glucose, increased blood pH, increased glycogen storage in liver and kidneys O High blood glucose, decreased blood pH, decreased glycogen storage in liver and kidneys O Low blood glucose, increased blood pH, decreased glycogen storage in liver and kidneys O Low blood glucose, decreased blood pH, decreased glycogen storage in liver and kidneys High blood glucose, decreased blood pH, increased glycogen storage in liver and kidneys O High blood glucose, increased blood pH, increased glycogen storage in liver and kidneys O High blood glucose, increased blood pH, decreased glycogen storage in liver and kidneys O Low blood glucose, decreased blood pH, increased glycogen storage in liver and kidneysarrow_forwardWhich of the following statements about digestion of dietary triacylglycerols in adults is correct? a. It begins in the mouth. b. It occurs to a small extent (10%) in the stomach. c. It occurs only in the small intestine. d. no correct responsearrow_forwardWhich of the following stages in the biochemical energy production process immediately precedes the citric acid cycle? a. digestion b. acetyl group formation c. electron transport chain d. no correct responsearrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningOrganic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,