Please answer as many as possible 1. Substrate regulation of glycolysis and citric acid cycle (fructose-2,6-bisphosphate, fructose-1,6-bisphosphate, ADP, AMP-positive effectors of glycolysis enzymes; ATP, citrate, NADH, acetyl-CoA-negative effectors of glycolysis enzymes; ADP, AMP-positive effectors of citric acid cycle enzymes; ATP, NADH-negative effectors of citric acid cycle enzymes). 2. The role of the liver in the regulation of glucose concentration. 3. Hormonal regulation of glucose metabolism (the influence of epinephrine, glucagon, glucocorticoids, ACTH, STH, the central role of insulin in regulation of glucose metabolism). 4. Peculiarities of carbohydrate metabolism in the liver and muscles. 5. Peculiarities of carbohydrate metabolism in tumor cells.

Please answer as many as possible 1. Substrate regulation of glycolysis and citric acid cycle (fructose-2,6-bisphosphate, fructose-1,6-bisphosphate, ADP, AMP-positive effectors of glycolysis enzymes; ATP, citrate, NADH, acetyl-CoA-negative effectors of glycolysis enzymes; ADP, AMP-positive effectors of citric acid cycle enzymes; ATP, NADH-negative effectors of citric acid cycle enzymes). 2. The role of the liver in the regulation of glucose concentration. 3. Hormonal regulation of glucose metabolism (the influence of epinephrine, glucagon, glucocorticoids, ACTH, STH, the central role of insulin in regulation of glucose metabolism). 4. Peculiarities of carbohydrate metabolism in the liver and muscles. 5. Peculiarities of carbohydrate metabolism in tumor cells.

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter19: The Tricarboxylic Acid Cycle

Section: Chapter Questions

Problem 22P: Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is...

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Please answer yes or no and give a short explanation, thank you. 11. Pentosophosphate glucose conversion pathway is the supplier of NADPH (H +) for reductive synthesis. 12. All enzymes of glycolysis and pentose-phosphate pathway are in the cytoplasm. 13. The complete oxidation of one glucose molecule, up to as much as 38 ATP molecules can be formed.
CHOOSE THE CORRECT LETTER.... 1.Gluconeogenesis involves the conversion ofA.pyruvate to glucoseB.glucose to pyruvateC. phosphoenol pyruvate to glucoseD.pyruvate to fructose 2.Stearic acid requires eight cycles of B-oxidation to be completely converted to acetyl-CoA.A. TrueB. False 3.ATP is produced from the electron transport system via oxidative phosphorylation.A. TrueB. False
CHOOSE THE CORRECT LETTER 1.What are the B-oxidation products of lauric acid (C12H2402), a major component of coconut oil?A.6 acetyl-CoA, 6 NADH, 6 FADH2B. 6 acetyl-CoA, 5 NADH, 5 FADH2C. 5 acetyl-CoA, 6 NADH, 6 FADH2D. 5 acetyl-CoA, 5 NADH, 5 FADH2 2.What is the mechanism of ATP synthesis in glycolysis?A. substrate level phosphorylationB. reductionC. oxidationD. oxidative phosphorylation 3.Which of the following enzymes need ATP as a substrate in the reaction?A.phosphoglycerate kinaseB. phosphofructokinaseC. pyruvate kinaseD.glyceraldehyde-3-phosphate dehydrogenase
CHOOSE THE CORRECT LETTER 1.Stearic acid requires eight cycles of B-oxidation to be completely converted to acetyl-CoA.A. TrueB. False 2.ATP is produced from the electron transport system via oxidative phosphorylation.A. TrueB. False
Need help, please. Given that the enzyme pyruvate carboxylase converts Pyruvate into Oxaloacetate and this is an anapleurotic reaction. In the liver, what is most of the OAA converted into under these conditions? Please explain. 1. When blood glucose levels are low and the energy charge in the cell is high. 2. When mitochondrial acetyl-CoA levels are high and the energy charge is low.
Please answer fast Arsinate binds to reduced thio groups such as those found in cystiene residues in proteins, lipoate or glutathione. The resulting inhibition leads to central nervous system pathologies. The binding of arsinate to the dihydrolipoyl groups inhibits which of the following enzyme(s)? a.succinate dehydrogenase b.malate dehydrogenase c.pyruvate dehydrogenase complex d.branched-chain amino acid dehydrogenase complex e.isocitrate dehydrogenase f.alpha-ketoglutarate dehydrogenase complex A common and effective treatment for arsenite poisoning involves administration of _____. a.aresenite chelator b.vitamin B1 c.a competitive sulfhydryl reagent d.NADPH e.a dihydrolipoyl inhibitor
The parentheses represent the choices for each part. After glycolysis, the steps of aerobic respiration proceed from (the citric acid cycle, electron transfer phosphorylation, acetyl-coA formation) to (the citric acid cycle, electron transfer phosphorylation, acetyl-coA formation) to (the citric acid cycle, electron transfer phosphorylation, acetyl-coA formation)
Please answer yes or no and give a short explanation. Thank you 1. The rate of glycolysis and glycogenolysis is controlled by phosphofructokinase. 2. Glycogen in the muscles falls with the formation of glucose-6-phosphate. 3. Is the process of anaerobic glycolysis accompanied by accumulation of NADH (H +)?
Please help, thanks! Pyruvate Dehydrogenase Complex:
Given the following question on the image identify the following:1. Total number of glucose molecules entering glycolysis2. Total number of pyruvate molecules produces at the end of glycolysis3. Total number of mitochondrial NADH produced after pyruvate is acted upon pyruvate dehydrogenase complex4.Total number of CO2 released right after the pyruvate dehydrogenase complex reactionConsider that the shuttle system is maltase-aspartate shuttle
CHOOSE THE CORRECT LETTER There are four enzymes of gluconeogenesis that circumvent the irreversible steps in glycolysis. When starting with the substrattpyruvate, they are:A. Pyruvate carboxylase, phosphoenolpyruvate carboxykinase, fructose 1,6-bisphosphatase, and hexokinaseB. Pyruvate carboxylase, phosphoenolpyruvate carboxykinase, fructose 1,6-bisphosphatase, and glucose-6-phosphataseC. Glycerol kinase, glycerol 3-phosphate dehydrogenase, fructose 2,6-bisphosphatase, and glucose 6-phosphataseD. Hexokinase, phosphofructokinase, phosphofructokinase and pyruvate kinase
Complete the following description of the mechanism of the pyruvate dehydrogenase complex by using words provided. Not all words will be used. Each word will be used only one time. 5 Three enzymes of the pyruvate dehydrogenase complex work together to catalyze the production of Acetyl CoA from Pyruvate. First, a 2-carbon unit composed of Carbons # Pyruvate are added to the co-enzyme and whereas Carbon # of leaves as CO» The C-2 unit together with the co-enzyme is called transferred to the 2nd co-enzyme 11 12 The C-2 unit is then which is initially in its state. The enzyme that catalyzes this step is From here, the C-2 unit is transferred to form a linkage with CoA-SH to generate Acetyl COA Oxidized Hydroxyethyl TPP Phosphodiester Reduced Hydroxypropiony! TPP Lipoamide E-1 NADH 3 Dihydrolipoyl dehydrogenase Thioester 2 HydroxyacetyITPp Dihydropipoyl Transacetylase Type the words in the correct order separated by commas. Example: 1, 3, E-1, Thioester, Lipoamide ...