Give the number of the following: a. number of acetyl-CoA that enters the TCA cycle for every 5 molecules of glucose b. number of high-energy phosphate groups required for the complete formation of glucose during gluconeogenesis c. number of NADPH produced for each molecule of glucose in the pentose phosphate pathway
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Give the number of the following:
a. number of acetyl-CoA that enters the TCA cycle for every 5 molecules of glucose
b. number of high-energy phosphate groups required for the complete formation of glucose during gluconeogenesis
c. number of NADPH produced for each molecule of glucose in the pentose phosphate pathway
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- Which of the following statements are TRUE?Multiple answers are accepted for this question a .Two molecules of CO2 are produced each time a molecule of Acetyl-CoA is oxidized. b. During the first turn of the TCA Cycle the carbon atoms of Acetyl-CoA become CO2. c. The number of molecules of ATP that can be produced in the Citric Acid Cycle by substrate level phosphorylation of ADP from two molecules of Acetyl-CoA is 30. d. Fumarate contains a trans double bond. The cis isomer of Fumarate is Maleate which cannot serve as carbon source for a cell. e. Lack of O2 would decrease the rate of the Citric Acid Cycle in red blood cells. f. If a potent inhibitor of Succinyl-CoA Synthetaseis is applied to liver cells both energy production and synthesis of carbohydrate would be affected. g. The overall chemical changes that occur during one complete turn of the Citric Acid Cycle is the complete oxidation of one molecule of Acetyl-CoA plus the production of two molecules of CO2 plus the…In the TCA cycle, which of the following combines with Acetyl CoA to form a 6 carbon compound? answer choices A.) Pyruvate B.) Glucose C.) Oxaloacetate D.) ThiamineHow many ATP molecules would be generated if an 8-carbon fatty acid were metabolized solely by the TCA cycle in the form of only Acetyl COA? PLEASE SHOW WORK A. 0 B. 4 C. 8 D. 12 E. 15 F. 32 G. 48 H. 30 I. 2
- 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 ...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. 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 # ____ and ____ of Pyruvate are added to the co-enzyme ______ and whereas Carbon # ______ leaves as CO. The C-2 unit together with the co-enzyme is called ______ .The C-2 unit is then transferred to the 2nd co-enzyme ____, which is initially in it ___ 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_____Place the following list of reactions or relevant locations in the β oxidation of fatty acids in the proper order. (a) Reaction with carnitine (b) Fatty acid in the cytoplasm (c) Activation of fatty acid by joining to CoA (d) Hydration (e) NAD+ -linked oxidation (f) Thiolysis (g) Acyl CoA in mitochondrion (h) FAD-linked oxidation.
- When 13C-labeled CO2 is used in the gluconeogenesis pathway, does the resulting glucose contain 13C? If so, which carbon of glucose is 13CWhen one acetyl CoA is processed through the citric acid cycle, how many times does each of the following events occur? a. A FAD molecule is a reactant. b. A CoA-SH molecule is produced. c. A dehydrogenase enzyme is needed for the reaction to occur. d. A C5 molecule is produced.Identify the Krebs cycle enzyme that consumes a six-carbon substrate molecule, producing a six-carbon product molecule, but neither consumes nor produces NADH? A. a-ketoglutarate dehydrogenase B. isocitrate dehydrogenase C. succinyl CoA synthetase D. malate dehydrogenase E. aconitase
- In the Cori cycle, the lactate product of glycolysis in muscle is transformedback into glucose by the liver. (a) List the enzymes involved in the lactate → glucose pathway. (b) What is the net gain/loss of ATP for one round of the Cori cycle (glucose → lactate → glucose)?Conversion of pyruvate to PEP requires the action of a. Fructose-1,6-bisphosphatase b. Two cytosolic enzymes. c. A mitochondrial enzyme and a cytosolic enzyme d. Hexokinase/glucokinase e. Two mitochondrial enzymesIn the glyoxylate cycle, two molecules of acetyl-CoA areconverted into _______________ and malate.