A single futile cycle, i.e. one round of glycolysis plus one round of gluconeogenesis consumes: 6 ATP; 2 NADH ○ 4 ATP: 0 NADH ○ 2 ATP; 1 NADH O 4 ATP; 4 NADH MA
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- Inhibiting which of the following enzymes will block gluconeogenesis but not glycolysis? Pyruvate carboxylase Pyruvate kinase Phosphoglycerokinase Phosphenolpyruvate carboxykinase Phosphofructokinase-1During glycolysis a total of 4 ATP molecules are produced and electrons are harvested for the electron transport chain. True or FalseWhich of the following enzyme catalyzes the first step of glycolysis? Group of answer choices Hexokinase Pyruvate kinase Glucokinase Phosphofructokinase
- Oxidative phosphorylation only occurs in the Electron Transport Chain. True FalseDuring glycolysis, the major energy generating step involves: pyruvate kinase phosphoglycerate kinase Phosphofructokinase glyceraldehyde-3 -dehydrogenaseThe complete aerobic respiration of glucose yields far more energy stored in ATP than glycolysis alone for all of the following reasons EXCEPT: Krebs cycle generates reduced electron carrier molecules (NADH and FADH2) Krebs cycle generates some additional ATP through substrate-level phosphorylation Glycolysis only partially oxidizes the glucose molecule to pyruvic acid None of the other four answers (all are reasons that aerobic respiration yields more energy than glycolysis alone) Electron transport chain (terminal respiratory pathway) produces many ATPs through oxidative phosphorylation using electron carrier molecules (NADH and FADH2)
- In the glycolysis stage, how much ATP is made per glucose molecule.Break down the glycolysis pathway in terms of the following reaction steps (you may write or take photos of chemical reactions; be sure to include the enzyme involved): - ATP-requiring steps - ATP-producing steps - NAD-involving steps, and - Irreversible stepsThe conversion of 1 molecule of fructose into 2 molecules of pyruvate produces the same amount of net ATP as the conversion of 1 molecule of glucose released from glycogen into 2 molecules of pyruvate true or false