Magnesium was tested as a potential activator of glycolysis.
Magnesium was tested as a potential activator of glycolysis. It serves as a cofactor for which glycolytic enzymes? Check all that apply.
glyceraldehyde phosphate dehydrogenase
pyruvate kinase
aldolase
phosphofructokinase
phosphoplyceromutase
hexokinase
triosephosphate isomerase
phosphoglycerokinase
phosphoglucoisomerase
enolase
Homework Answers
Option 2,3,4,6, and 8 are correct answers.
1.hexokinase,
2.phosphofructokinase,
3.aldolase,
4.phosphoglycerate kinase and
5.pyruvate kinase
Which enzymes in glycolysis use NAD+ as a cofactor? Select all that apply. O Select all...
Which enzymes in glycolysis use NAD+ as a cofactor? Select all that apply. O Select all that apply Hexokinase B Phosphoglucoisomerase Phosphofructokinase Aldolase Triose Phosphate Isomerase Glyceraldehyde-3-phosphate dehydrogenase Phosphoglycerate kinase H Phosphoglycerate Mutase Enolase Submit Pyruvate kinase
Which enzymes in glycolysis catalyze reactions thx are irreversible in cellular conditions? Select all that apply....
Which enzymes in glycolysis catalyze reactions thx are irreversible in cellular conditions? Select all that apply. 0 Select all that apply Hexokinase Phosphoglucoisomerase с Phosphofructokinase Aldolase Triose Phosphate Isomerase Glyceraldehyde-3-phosphate dehydrogenase Phosphoglycerate kinase H Phosphoglycerate Mutase Enolase Submit Pyruvate kinase
1. You have given all the enzymes and intermediates in glycolysis. Choose the right enzymes and...
1. You have given all the enzymes and intermediates in glycolysis. Choose the right enzymes and intermediates and draw the glycolytic pathway. Decorate the diagram by adding ATP, ADP, H", NADH, NAD', P, and H20 where necessary. All the steps are reversible except 1, 3 and 10; draw appropriate arrow. First arrange the reactants in the correct order. Reactants/intermediates: 3-phosphoglycerate glucose Phosphoenolpyruvate dihydroxyacetone phosphate Pyruvate glucose 6-phosphate 1,3-bisphosphoglycerate fructose 6-phosophate 2-phosphoglycerate glyceraldehyde 3-phosphate fructose 1,6-bisphosphate Enzymes: Phosphoglucoisomerase phosphoglycerate kinase phosphoglycerate...
Question 7 (1 point) The first step of beta oxidation is catalyzed by the enzyme . The cofactor u...
We were unable to transcribe this imageQuestion 7 (1 point) The first step of beta oxidation is catalyzed by the enzyme . The cofactor used is We were unable to transcribe this imageQuestion 15 (1 point) Which of the following glycolytic enzymes catalyses a substrate level phosphorylation? Hexokinase Phosphoglycerate kinase Phosphofructokinase-1 Glyceraldehyde 3-phosphate dehydrogenase
Question 7 (1 point) The first step of beta oxidation is catalyzed by the enzyme . The cofactor used is
Question 15 (1 point) Which of...
4. Which of the following enzymes catalyzed reactions in glycolysis require(s) ATP as a substrate? A)...
4. Which of the following enzymes catalyzed reactions in glycolysis require(s) ATP as a substrate? A) Phosphoglycerate mutase E) Pyruvate kinase B) Aldolase F) Phosphofructokinase-1 C) Phosphoglycerate kinase G) Hexokinase D) Glyceraldehyde-3-phosphate dehydrogenase 5. Blood Lactate Levels during Vigorous Exercise The following graph shows the concentrations of lactate in blood plasma before, during, and after a 400 m sprint. Use your knowledge from chapter 14 to explain the causes of the rapid rise in lactate concentration? --Before-- - After Blood...
Glycolysis activity 1: Metabolic pathway puzzle Try to complete the activity without using the textbook. 1....
Glycolysis activity 1: Metabolic pathway puzzle Try to complete the activity without using the textbook. 1. Slides 4 and 5 show the 10 reactions for glycolysis, but some of the molecules are missing. Draw the missing molecules in the proper place (on the handout). The missing molecules are shown on the next slide, you have to use the clues on the handout and your organic chemistry knowledge to figure out where each molecule belongs. 3. In the red dotted boxes...
Match the enzyme to the substrate --> product reaction to which it catalyzes. O Hold and...
Match the enzyme to the substrate --> product reaction to which it catalyzes. O Hold and drag to reorder Phosphoglycerate Mutase Glucose --> Glucose 6-phosphate Phosphohexose Isomerase 1-3- Bisphosphoglycerat e--> 3- Phosphoglycerate Hexokinase Fuctose 1-6- bisphophate --> Glyceraldehyde 3- phosphate + Dihydroxyacetone phosphate Phosphoglycerate Kinase Oxaloacetate --> Phosphoenolpyruva te Aldolase Mannose 6- phosphate -> Fructose 6- phosphate Pyruvate kinase Dihydroxyacetone phosphate -> Glyceraldehyde 3- phosphate Enolase Glyceraldehyde 3- phosp Bisph Submit Glyceraldehyde 3- phosphate Enolase Glyceraldehyde 3- phosphate -> 1-3-...
12. How are glycolysis, ethanol fermentation, and lactate fermentation all related? A. All are regulated by...
12. How are glycolysis, ethanol fermentation, and lactate fermentation all related? A. All are regulated by the ATP/ADP mass-action ratio. D. All three produce carbon dioxide. B. All can occur in anaerobic conditions. E. All require the presence of oxygen. C. All three produce NADH. 13. Which is the most exothermic reaction of glycolysis under standard conditions? A. Enolase B. Triose phosphate isomerase C. Pyruvate kinase D. Phosphofructokinase-1 E. Aldolase
6. In question 5, what is the most important reaction involved in formation of lactate? A)...
6. In question 5, what is the most important reaction involved in formation of lactate? A) dihydroxyacetone phosphate glycerol 3-phosphate D) pyruvate → lactate B) oxaloacetate → malate E) isocitrate → a-ketoglutarate C) glucose 6-phosphate → fructose 6-phosphate 7. During the process in question 5 (the rapid rise in lactate concentration), the NADH must be reoxidized to NAD+. Which of the following enzymes will be most affected if NADH is not reoxidized? A) Pyruvate kinase. C) Phosphofructokinase-1. E) aldolase. B)...
(2 of 5) Which one of the following enzymes and intermediates is not a part of...
(2 of 5) Which one of the following enzymes and intermediates is not a part of the energy generation stage of glycolysis: GAPDH (glyceraldehyde-3-phosphate dehydrogenase) hexokinase Pyruvate kinase 1,3-BPG (1,3-bisphosphoglycerate) 3-phosphoglycerate Pyruvate
Which enzymes in glycolysis use NAD+ as a cofactor? Select all that apply. O Select all that apply Hexokinase B Phosphoglucoisomerase Phosphofructokinase Aldolase Triose Phosphate Isomerase Glyceraldehyde-3-phosphate dehydrogenase Phosphoglycerate kinase H Phosphoglycerate Mutase Enolase Submit Pyruvate kinase
Which enzymes in glycolysis catalyze reactions thx are irreversible in cellular conditions? Select all that apply. 0 Select all that apply Hexokinase Phosphoglucoisomerase с Phosphofructokinase Aldolase Triose Phosphate Isomerase Glyceraldehyde-3-phosphate dehydrogenase Phosphoglycerate kinase H Phosphoglycerate Mutase Enolase Submit Pyruvate kinase
1. You have given all the enzymes and intermediates in glycolysis. Choose the right enzymes and intermediates and draw the glycolytic pathway. Decorate the diagram by adding ATP, ADP, H", NADH, NAD', P, and H20 where necessary. All the steps are reversible except 1, 3 and 10; draw appropriate arrow. First arrange the reactants in the correct order. Reactants/intermediates: 3-phosphoglycerate glucose Phosphoenolpyruvate dihydroxyacetone phosphate Pyruvate glucose 6-phosphate 1,3-bisphosphoglycerate fructose 6-phosophate 2-phosphoglycerate glyceraldehyde 3-phosphate fructose 1,6-bisphosphate Enzymes: Phosphoglucoisomerase phosphoglycerate kinase phosphoglycerate...
We were unable to transcribe this imageQuestion 7 (1 point) The first step of beta oxidation is catalyzed by the enzyme . The cofactor used is We were unable to transcribe this imageQuestion 15 (1 point) Which of the following glycolytic enzymes catalyses a substrate level phosphorylation? Hexokinase Phosphoglycerate kinase Phosphofructokinase-1 Glyceraldehyde 3-phosphate dehydrogenase
Question 7 (1 point) The first step of beta oxidation is catalyzed by the enzyme . The cofactor used is
Question 15 (1 point) Which of...
4. Which of the following enzymes catalyzed reactions in glycolysis require(s) ATP as a substrate? A) Phosphoglycerate mutase E) Pyruvate kinase B) Aldolase F) Phosphofructokinase-1 C) Phosphoglycerate kinase G) Hexokinase D) Glyceraldehyde-3-phosphate dehydrogenase 5. Blood Lactate Levels during Vigorous Exercise The following graph shows the concentrations of lactate in blood plasma before, during, and after a 400 m sprint. Use your knowledge from chapter 14 to explain the causes of the rapid rise in lactate concentration? --Before-- - After Blood...
Glycolysis activity 1: Metabolic pathway puzzle Try to complete the activity without using the textbook. 1. Slides 4 and 5 show the 10 reactions for glycolysis, but some of the molecules are missing. Draw the missing molecules in the proper place (on the handout). The missing molecules are shown on the next slide, you have to use the clues on the handout and your organic chemistry knowledge to figure out where each molecule belongs. 3. In the red dotted boxes...
Match the enzyme to the substrate --> product reaction to which it catalyzes. O Hold and drag to reorder Phosphoglycerate Mutase Glucose --> Glucose 6-phosphate Phosphohexose Isomerase 1-3- Bisphosphoglycerat e--> 3- Phosphoglycerate Hexokinase Fuctose 1-6- bisphophate --> Glyceraldehyde 3- phosphate + Dihydroxyacetone phosphate Phosphoglycerate Kinase Oxaloacetate --> Phosphoenolpyruva te Aldolase Mannose 6- phosphate -> Fructose 6- phosphate Pyruvate kinase Dihydroxyacetone phosphate -> Glyceraldehyde 3- phosphate Enolase Glyceraldehyde 3- phosp Bisph Submit Glyceraldehyde 3- phosphate Enolase Glyceraldehyde 3- phosphate -> 1-3-...
12. How are glycolysis, ethanol fermentation, and lactate fermentation all related? A. All are regulated by the ATP/ADP mass-action ratio. D. All three produce carbon dioxide. B. All can occur in anaerobic conditions. E. All require the presence of oxygen. C. All three produce NADH. 13. Which is the most exothermic reaction of glycolysis under standard conditions? A. Enolase B. Triose phosphate isomerase C. Pyruvate kinase D. Phosphofructokinase-1 E. Aldolase
6. In question 5, what is the most important reaction involved in formation of lactate? A) dihydroxyacetone phosphate glycerol 3-phosphate D) pyruvate → lactate B) oxaloacetate → malate E) isocitrate → a-ketoglutarate C) glucose 6-phosphate → fructose 6-phosphate 7. During the process in question 5 (the rapid rise in lactate concentration), the NADH must be reoxidized to NAD+. Which of the following enzymes will be most affected if NADH is not reoxidized? A) Pyruvate kinase. C) Phosphofructokinase-1. E) aldolase. B)...
(2 of 5) Which one of the following enzymes and intermediates is not a part of the energy generation stage of glycolysis: GAPDH (glyceraldehyde-3-phosphate dehydrogenase) hexokinase Pyruvate kinase 1,3-BPG (1,3-bisphosphoglycerate) 3-phosphoglycerate Pyruvate
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