Let us see how much you have learned. Discuss briefly but concisely theimportance of the following metabolic pathway.A. GlycolysisB. Krebs CycleC. Electron Transport ChainD. GluconeogenesisE. GlycogenolysisF. GlycogenesisG. Pentose phosphate pathwayH. B-oxidation of fatty acidsI. Synthesis of fatty acidsJ. Amino acid metabolismK. Urea Cycle

Cells are involved in various functions. For a eukaryotic cell, the cells have different organelles,…

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Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter20: Electron Transport And Oxidative Phosphorylation

Section: Chapter Questions

Problem 19P

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Different enzymes that catalyse the same reaction are called O A. isoenzymes O B. holoenzymes O C. cofactors O D. coenzymes O E. agonists Which statement concerning the glycolytic and gluconeogenic pathways is correct? O A. Both are catabolic. O B. Both are anabolic. O C. Gluconeogenesis is catabolic while glycolysis is anabolic. O D. Gluconeogenesis is anabolic while glycolysis is catabolic. O E. Gluconeogenesis occurs in brain and glycolysis occurs in muscle. In lactic acid fermentation, which substance is oxidized and which is oxidized? O A. Lactate is reduced and NAD* is oxidized. OB. Lactate is reduced and pyruvate is oxidized. OC. Pyruvate is reduced and NADH is oxidized. O D. NADH is reduced and pyruvate is oxidized. O E. Lactate is oxidized and NADH is reduced.
A patient who has been drinking large amounts of alcohol for long periods of time shows thefollowing symptoms: apathy, loss of memory, and a rhythmical to-and-fro motion of the eyeballs.Which of the following reactions are most likely to be affected in the patient? A. Conversation of pyruvate to acetyl-CoA B. Conversation of a-ketoglutarate to succinyl-CoA C. Both A and B D. Neither A nor B
Match the item to each step in the Krebs Cycle. Write your answers on the Google Form. isocitrate f. Oxaloacetate a. b. succinate g. Sulfur NAD* h. a-ketoglutarate fumarate C. d. malate i. succinyl-CoA j. ATP e. What molecule combines with acetyl-CoA and then releases CoA? 66. What molecule is oxidized by NAD+ to become a 5- carbon compound? 67. What molecule is oxidized by NAD+ to become a 4- carbon compound? 68. 69. What 4-carbon molecule is formed when combined with COA? 70. What molecule is produced when CoA is released? 71. What molecule is formed when GTP is oxidized to form GDP? 72. What atom is the bridge that connects to CoA? 73. What molecule is formed when FAD is reduced? 74. What molecule is formed with the addition of H,O? 75. Which molecule must be reduced so that oxaloacetate is formed? Match the product to the process. Write your answer on the Google Form. GTP f. CO, а. b. phosphofructinase NADH* + CO, g. Citrate formed. c. h. ATP d. Co-A i. Isocitrate HO j- Pyruvate e.…
Compare between the Kreb cycle and fatty acid synthesis pathways in term of: 1. The type of metabolic pathway (catabolic or anabolic). 2. The reducing or oxidizing coenzymes needed for these pathways 3. Location of these pathways inside the cell. 4. Fate of acetyl CoA in both pathways
choose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis 1. catalyzed initially by glycogen phosphorylase 2. breaking of glycosidic linkages of glycogen 3. requires pumping of hydrogen ions 4. lactic acid is converted to glucose
a man with depressive disorder is contributed in drug study that inhibit the b2 conversion to its active co-enzyme. which metabolic process is impaired in result of treatment. 1 production of Ribose 5 Phosphate from g6p. 2. Beta oxidation of palmitate to co2 3 conversion of glucose to lactate 4. breakdown of glycogen to glucose 5. synthesis of urea from alanin please explain your asnwer
Identify different types of organic reaction mechanims in the followingmetabolic pathways.1. Catabolism of triacylglycerols- beta-oxidation pathway2. Biosynthesis of fatty acids from Acetyl CoA3. Glycolysis (from glucose to two molecules of pyruvate)
1. Match the figure and the letter. The scheme of glycogen degradation: Enzyme: A. Phosphoglucomutase. B. al,6-glycosidase. C. Glycogen phosphorylase. D. Phosphatase. E. Oligosaccharyltransferase. 304 Chapter 6. Carbohydrate metabolism 888 2 утвенный cumem H,PO, Glucose-6-phosphate
CHOOSE THE CORRECT LETTER 1.What kind of cells often use the glycerol-phosphate shuttle?A.brainB. heartC.liverD. kidney 2.What is the net ATP yield of the complete glycolysis of 5 molecules of glucose?A. 4B. 5C. 10D. 12 3.Which of the following substrates is used in the first oxidation step of the Kreb's cycle to produce NADH and COy?A. isocitrateB. a-ketoglutarateC. citrateD. succinyl-CoA
Fatty acid biosynthesis differs from β-oxidation in that: A. NADP+ is used in biosynthesis but not in β-oxidation. B. Biosynthesis uses malonyl-CoA while β-oxidation does not. C. Biosynthesis occurs in the cytoplasm while β-oxidation occurs in the mitochondria. D. Biosynthesis is a reductive process while β-oxidation is oxidation.
Please answer these biochemistry questions and briefly explain 1. Which is false about metabolic regulation? A: reactions with a large negative delta G are likely to be regulated B: reactions that require ATP are regulated C: glucagon and epineprine both stimulate glycogen breakdown D: all steps of all metabolic processes under strict regulation I picked D since all steps require sple extent of regulation however, "strict" regulation is limited to the irreversible steps 2. which is not a redox reaction in electron transport chain? A: Fe-S accepts e- from NADH B: reiske protein accepts e- from QH2 3. true or false: proton motive force is created through pumping H+ from matrix to inner membrane I put false, isnt the opposite true? pumping H+ from IMM to matrix
Define the following terms: (2-3 sentences)1. Metabolism2. Glycolysis3. Beta oxidation4. Chemiosmosis5. Deamination6. Transamination7. Oxidation8. Reduction

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