ric acid (or citrate) is an allosteric inhibitor of one of the first enzymes in glycolysis. How, in general, will it affect cellular respiration? Glycolysis will slow down when citric acid is abundant It will compete with glucose for the active site of the enzyme. It will stop the citric acid cycle when pyruvate is abundant. All of the above
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Citric acid (or citrate) is an allosteric inhibitor of one of the first enzymes in glycolysis. How, in general, will it affect
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Glycolysis will slow down when citric acid is abundant |
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It will compete with glucose for the active site of the enzyme. |
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It will stop the citric acid cycle when pyruvate is abundant. |
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All of the above |
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Solved in 2 steps
- The cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? a. glucose b. acetyl CoA c. pyruvate d. carbon dioxideAfter the citric acid cycle reactions run _________, one six-carbon glucose molecule has been completely broken down to CO2. a. once b. twice c. six times d. twelve timesAfter glycolysis, the steps of aerobic respiration proceed from to to acetyl-CoA formation the citric acid cycle electron transfer phosphorylation
- Which of the following enzyme catalyzes the first step of glycolysis? Group of answer choices Hexokinase Pyruvate kinase Glucokinase PhosphofructokinaseThe term given to the metabolic processes coupling the removal of electrons and protons from NADH/FADH2 to energy (ATP) production in the mitochondria is called _____________________ Group of answer choices glycolysis creatine phosphate shuttle indirect calorimetry oxidative -phosphorylationWhich metabolic pathway converts glycolysis into two molecules of pyruvate? Glycolysis Citric acid cycle Pentose phosphate pathway Hexose monophosphate shunt
- Which of the following pair of substances are products of the citric acid cycle? a) Acetyl CoA and NADH b) Acetyl CoA and CO2 c) CoA-SH and FADH2 d) Citrate and CO2Which of the following is not a product or reactant of glycolysis?a. NADHb. ATPc. pyruvated. oxygenThe complete oxidation of one molecule of glucose results in the production of 38 molecules of ATP. Specifically, where do these molecules of ATP come from? All 38 molecules of ATP are synthesized during oxidative phosphorylation and electron transport. All 38 molecules of ATP are synthesized during glycolysis. 2 net ATP molecules from glycolysis; 2 NADH molecules from glycolysis are oxidized resulting to 6 ATP molecules; 2 NADH molecules from pyruvate processing are oxidized resulting to 6 ATP molecules; 2 net ATP from Krebs Cycle; 6 NADH molecules from Krebs Cycle are oxidized resulting to 18 ATP molecules 2 FADH2 molecules from Krebs Cycle are oxidized resulting to 4 ATP molecules 2 net ATP molecules from glycolysis; 2 NADH molecules from glycolysis are oxidized resulting to 2 ATP molecules; 2 NADH molecules from pyruvate processing are oxidized resulting to 2 ATP molecules; 2 net ATP from Krebs Cycle; 6 NADH molecules from Krebs…
- A high ADP:ATP ratio in cells influences glucose breakdown in cells. How does it do this? it exercises allosteric regulation of ATP synthase. it activates enzymes in the glycolytic pathway. it inactivates enzymes in the citric acid cycle. it promotes fermentation. it accelerates transfer of electrons in the electron transport chain.Which set of reactions are most efficient at making ATP from the breakdown of glucose? electron transport chain glycolysis acetyl-CoA formation citric acid cycleWhich of the following statement about ATP formation in Glycolysis is True? a. Four ATP molecules are used in the Glycolysis of one molecule of Glucose b. Three ATP molecules are formed in the Glycolysis of one molecule of Glucose c. Two ATP molecules are used in the Glycolysis of one molecule of Glucose d. Two ATP molecules are formed in the Glycolysis of one molecule of Glucose
