AMP ... A. Activates glucose 6-phosphate dehydrogenase
AMP ...
A. Activates glucose 6-phosphate dehydrogenase
B. Activates glycogen synthase
C. Is a product of adenylate cyclase
D. Activates fructose-1,6-bisphosphatase
E. Is made by hydrolyzing two phosphates from ATP
In E2 of the pyruvate dehydrogenase complex ...
A. Thiamine pyrophosphate is covalently bound
B. FADH2 is bound to this subunit
C. Lipoamide is covalently attached
D. A, B and C above
E. None of the above
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Why are these reactions for gluconeogenesis exergonic? I get that Glucose 6-phosphate -> glucose and fructose...
Why are these reactions for gluconeogenesis
exergonic?
I get that Glucose 6-phosphate -> glucose and fructose
1,6-biphosphate -> fructose 6 phosphate release Pi, but doesn't
the formation of formation of oxaloacetate and phosphoenolpyruvate
require energy ( ATP and GTP)
ruvate. CH,OH CHOPO; HO он glucose 6- phosphatase HO OH OH 94 Он glucose 6-phosphate glucose glycolysao OPOH COCHZOPO HO O HO OH fructose 1,6- bisphosphatase ,POH COCH,OH HO он OH fructose 6-phosphate OH fructose 1,6-bisphosphate HCO; + ATP ADP +...
15. Genetic defect in pyruvate dehydrogenase complex lead a. maple syrup urine disease b. phenyike d....
15. Genetic defect in pyruvate dehydrogenase complex lead a. maple syrup urine disease b. phenyike d. lactic acidemia e. pellagra syrup urine disease b, phenylketonuria c. galactosemia 10. Chemical modification by phosphorylation of pyruvate dehydros a. deactivates the enzyme b. activates the enzyme lation of pyruvate dehydrogenase complex : 17. Pyruvate carboxylase is positively ated through the allosteric mechanism by : a. ATP b. NADH c. Acetyl-SCOA d. TPP e. Biotin 18. Which of the listed coenzymes does not particip...
Can someone quick answer/check these questions? Thank you, will rate! (the answers that I have came...
Can someone quick answer/check these questions? Thank you, will rate! (the answers that I have came up with are in bold) Please help 51- Glycogenesis involves the following steps a) isomerisation b) activation c) elongation or coupling d) branching e) all of the above 52 During the breakdown of glycogen, free glucose is formed from A. the reducing end. B. the non-reducing end. C. glucose residues in an a 1-->4 linkage to the chain. D. glucose residues in an...
When the blood glucose concentration is low, the pancreas secretes glucagon to signal the liver to...
When the blood glucose concentration is low, the pancreas secretes glucagon to signal the liver to produce glucose and glucose-1-phosphate. Which metabolic steps are involved in this biosignaling pathway? Inactivation of glycogen synthase via phosphorylation by protein kinase A Activation of glycogen synthase via phosphorylation by protein kinase A Activation of phosphofructokinase-2 via phosphorylation by protein kinase A Activation of fructose-2,6-bisphosphatase via phosphorylation by protein kinase A Activation of phosphofructokinase-1 by fructose-2,6-bisphosphate Inhibition of fructose-1,6-bisphosphatase by fructose-2,6-bisphosphate Inactivation of pyruvate...
What type of gradient is critical to ATP formation by oxidativephosphorylation?A.sodium ionB....
What type of gradient is critical to ATP formation by oxidative phosphorylation?A.sodium ionB.chloride ionC.protonD.potassium ionE.None of the answers is correct.Which of the following citric acid cycle intermediates would become depleted if malonate, a competitive inhibitor of succinate dehydrogenase, were present?A.citrateB.α-ketoglutarateC.succinateD.malateE.None of the answers is correct.Which of the following correctly pairs a coenzyme with the enzyme of the pyruvate dehydrogenase complex with which it is associated?A.coenzyme A: pyruvate dehydrogenaseB.NAD+: dihydrolipoyl dehydrogenaseC.lipoic acid: pyruvate dehydrogenase kinaseD.thiamine pyrophosphate: dihydrolipoyl dehydrogenaseE.FAD: dihydrolipoyl transacetylaseWhich of...
the following questions Fructose-1.6- Fructose-6 ADP phosphate phosphate ATP ADP diphosphate Glucose-6 F ATP Glucose-→ Glucose-p)→...
the following questions Fructose-1.6- Fructose-6 ADP phosphate phosphate ATP ADP diphosphate Glucose-6 F ATP Glucose-→ Glucose-p)→ Fructose-P P-Fructose-(P FIGURE 5.7 glyceraldyde 3-phosphate P) ADP H-C-OH H20-P 1,3 diphospho- glycerate CH20-P 3 phospho glycerate phosphoenol pyruvate 15) Which step in Figure 5.7 shows a split of one molecule into two smaller molecules? 15) 4) 2 B) 4 )6 Dy H E) 5 16) Which step in Figure 5.7 shows a reaction involving a dehydrogenase? D) 8 A) 2 C) 6 E)5...
1. 2. 3. 4. Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate...
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
QUESTION 4 Which of the following enzymes directly converts phosphorylaseb into the more active form, phosphorylase...
QUESTION 4 Which of the following enzymes directly converts phosphorylaseb into the more active form, phosphorylase a? A. CAMP-dependent protein kinase B. phosphorylase kinase C. protein kinase A D. adenylate kinase E phosphoprotein phosphatase The biotin prosthetic group of pyruvate carboxylase is covalently attached to a residue of the enzyme ? A. Vakine B. serine C. lysine D. arginine E. the biotin is attached non-covalently Which of the following serves as the energy source for the metabolic conversion of oxaloacetate...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase first ATP Phosphorylation of glucos and its conversion to glyceraldehyde 3-phosphat Priming © > ADP Glucose 6-phosphate 1-0 Hz Hexokinase ΝΟΗ Η e Phosphohexose isomerase Fructose 6-phosphate ATP (8 Phospho- fructokinase-1 primins и он -OCH, CH-OH HOH он и ©--CH, CH-0- Кинон Aldolase ADP Fructose 1,6-bisphosphate (6) Triose phosphate somerase eleava oferte suar phosphate to two carbon sur phosphate Glyceraldehyde 3-phosphate udehyde a phosphate...
gets reduced 20. glucose + ATP > glucose-6 phosphate +ADP In the above reaction, - A....
gets reduced 20. glucose + ATP > glucose-6 phosphate +ADP In the above reaction, - A. ADPIATP B. ATP/glucose C. glucose/glucose-6 phosphate D. glucose6-phosphate/glucose E. glucose/ATP 21. Which of the following is a net product of glycolysis? A. ATP B. NAD+ C. pyruvate D. CO2 E. A&C 22. Substrate-level phosphorylation occurs in the process of A. Oxidative phosphorylation B. electron transport chain C. glycolysis D. ATP-synthase function E. C&D 23. What should your hypothesis be for "Do yeast produce ethanol...
Why are these reactions for gluconeogenesis
exergonic?
I get that Glucose 6-phosphate -> glucose and fructose
1,6-biphosphate -> fructose 6 phosphate release Pi, but doesn't
the formation of formation of oxaloacetate and phosphoenolpyruvate
require energy ( ATP and GTP)
ruvate. CH,OH CHOPO; HO он glucose 6- phosphatase HO OH OH 94 Он glucose 6-phosphate glucose glycolysao OPOH COCHZOPO HO O HO OH fructose 1,6- bisphosphatase ,POH COCH,OH HO он OH fructose 6-phosphate OH fructose 1,6-bisphosphate HCO; + ATP ADP +...
15. Genetic defect in pyruvate dehydrogenase complex lead a. maple syrup urine disease b. phenyike d. lactic acidemia e. pellagra syrup urine disease b, phenylketonuria c. galactosemia 10. Chemical modification by phosphorylation of pyruvate dehydros a. deactivates the enzyme b. activates the enzyme lation of pyruvate dehydrogenase complex : 17. Pyruvate carboxylase is positively ated through the allosteric mechanism by : a. ATP b. NADH c. Acetyl-SCOA d. TPP e. Biotin 18. Which of the listed coenzymes does not particip...
the following questions Fructose-1.6- Fructose-6 ADP phosphate phosphate ATP ADP diphosphate Glucose-6 F ATP Glucose-→ Glucose-p)→ Fructose-P P-Fructose-(P FIGURE 5.7 glyceraldyde 3-phosphate P) ADP H-C-OH H20-P 1,3 diphospho- glycerate CH20-P 3 phospho glycerate phosphoenol pyruvate 15) Which step in Figure 5.7 shows a split of one molecule into two smaller molecules? 15) 4) 2 B) 4 )6 Dy H E) 5 16) Which step in Figure 5.7 shows a reaction involving a dehydrogenase? D) 8 A) 2 C) 6 E)5...
1.
2.
3.
4.
Select all that apply. Identify the reaction(s) of glycolysis inhibited by ATP □ glyceraldehyde-3-phosphate → 1,3-bisphosphoglycerate phosphoenolpyruvate +pyruvate 3-phosphoglycerate ~2-phosphoglycerate 1) fructose-6-phosphate→ fructose-1,6-bisphosphate . glucose glucose-6-phosphate Select all that apply. Alcohol fermentation: consumes ATP as it produces ethanol. O produces carbon dioxide begins as pyruvate is decarboxylated to acetaldehyde in a reaction catalyzed by alcohol dehydrogenase m regenerates NAD requires the enzyme alcohol dehydrogenase, In the figure below, what is the reaction occurring at the location...
QUESTION 4 Which of the following enzymes directly converts phosphorylaseb into the more active form, phosphorylase a? A. CAMP-dependent protein kinase B. phosphorylase kinase C. protein kinase A D. adenylate kinase E phosphoprotein phosphatase The biotin prosthetic group of pyruvate carboxylase is covalently attached to a residue of the enzyme ? A. Vakine B. serine C. lysine D. arginine E. the biotin is attached non-covalently Which of the following serves as the energy source for the metabolic conversion of oxaloacetate...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase first ATP Phosphorylation of glucos and its conversion to glyceraldehyde 3-phosphat Priming © > ADP Glucose 6-phosphate 1-0 Hz Hexokinase ΝΟΗ Η e Phosphohexose isomerase Fructose 6-phosphate ATP (8 Phospho- fructokinase-1 primins и он -OCH, CH-OH HOH он и ©--CH, CH-0- Кинон Aldolase ADP Fructose 1,6-bisphosphate (6) Triose phosphate somerase eleava oferte suar phosphate to two carbon sur phosphate Glyceraldehyde 3-phosphate udehyde a phosphate...
gets reduced 20. glucose + ATP > glucose-6 phosphate +ADP In the above reaction, - A. ADPIATP B. ATP/glucose C. glucose/glucose-6 phosphate D. glucose6-phosphate/glucose E. glucose/ATP 21. Which of the following is a net product of glycolysis? A. ATP B. NAD+ C. pyruvate D. CO2 E. A&C 22. Substrate-level phosphorylation occurs in the process of A. Oxidative phosphorylation B. electron transport chain C. glycolysis D. ATP-synthase function E. C&D 23. What should your hypothesis be for "Do yeast produce ethanol...
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