1. Answer the following questions: a. A substance produced from pyruvate that is a precursor in the citric acid cycle and in the formation of glucose is? a. ketoglutarate b. oxaloacetate c. lactate d. malate e. fumarate b. In the early fasting stage, glucose for the brain and red blood cells are supplied by reserves. C. phosphorylation produces 2 ATP, phosphorylation produces a lot of ATP

1. Answer the following questions: a. A substance produced from pyruvate that is a precursor in the citric acid cycle and in the formation of glucose is? a. ketoglutarate b. oxaloacetate c. lactate d. malate e. fumarate b. In the early fasting stage, glucose for the brain and red blood cells are supplied by reserves. C. phosphorylation produces 2 ATP, phosphorylation produces a lot of ATP

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter8: How Cells Make Atp: Energy-releasing Pathways

Section: Chapter Questions

Problem 6TYU: The aerobic part of aerobic cellular respiration occurs during (a) glycolysis (b) the conversion of...

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In anaerobic respiration, lactic acid is released into the blood from skeletal muscle. When oxygen is available, most of the lactic acid is converted back to pyruvic acid and glucose in the A. liver. B. skeletal muscle. C. Heart. D. lung.
Glucose must be activated a. The activation process produces 3 ATP. b. In the digestive system before being oxidized in the mitochondria c. In the mitochondria before being oxidized in the cytoplasm d. In the blood before being oxidized in the cytoplasm
2.A person did not get food for 3 days and had lost his weight, ketone bodies were revealed in urine. To explain this: a)describe the main metabolic pathways providing energy for the liver cells during starvation and explain its regulation; b) discuss the hormonal changes; c)predict the deleterious effect of prolonged starvation.
Which of these is not true of the citric acid cycle?a. The citric acid cycle includes the prep reaction.b. The citric acid cycle produces ATP by substrate-level ATPsynthesis.c. The citric acid cycle occurs in the mitochondria.d. The citric acid cycle produces two ATP per glucose molecule.
What would you predict to be the consequence of several minutes of hypoxia (low oxygen availability) on carbohydrate metabolism via oxidative phosphorylation? Select one: a. Decreased ATP synthesis b. Elimination of ATP synthesis c. Increased ATP synthesis d. No change in ATP synthesis
A total of 32 mol of ATP can be produced by the complete oxidation of 1 mol of glucose in the liver. Indicate the number of these moles of ATP produced by a. glycolysis b. the citric acid cycle c. the electron transport chain and oxidative d. phosphorylation
Patient who had undergone a complex maxillofacial operation could not takefood during 2 days, but glucose level in the patient's blood during that period wason the lower limit of normal. What mechanisms facilitate the maintenance ofnormal level of glucose in prolonged starvation? To answer this question:a) indicate normal fasting blood glucose level;b) draw the metabolic pathway ensuring glucose synthesis in patient's body duringa period of starvation, mark the enzymes and coenzymes;c) list the substrates of this process and its localization.
If glucose was no longer available, citric acid cycle activity would: a. decrease b. increase c. remain the same
Which of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehyde
The most regulated enzyme in glycolysis is a Hexokinase b G3P Dehydrogenase c Pyruvate Kinase d Phosphofructokinase
Pyruvic acid fermentation, which produces lactic acid, occurs A. aerobically B. anaerobically C. both aerobically and anaerobically
If the enzyme that catalyzed the reaction that converts pyruvate to acetyl-CoA and carbon dioxide is inhibited: a. the production of ATP would decreases but the production of electron carriers would be unaffected b. the concentration of pyruvate would decrease c. the citric acid cycle will not be affected d. ATP production in the electron transport chain/oxidative phosphorylation will increase e. the concentration of acetyl Co A would decrease