Conversely, in muscle cells, low energy charge ["activates or inhibits"] glycolysis. Specifically, AMP activates the enzyme ["phosphofructokinase...
Conversely, in muscle cells, low energy charge ["activates or inhibits"] glycolysis. Specifically, AMP activates the enzyme ["phosphofructokinase 1 or hexokinase"] . Pyruvate kinase is positively regulated by [fructose 1,6-bisphosphate or glucose 6-phosphate"] through feed-forward activation. The enzyme ["hexokinase or phosphofructokinase 1] is not affected.
Choose one of the answers in the brackets.
Homework Answers
Answer 1 ) Activates
Answer 2) Phosphofructokinase
Answer 3) Fructose 1,6 bisphosphonate
Answer 4) Hexokinase
i tried to answer all of them correctly for you at the best of my ability , excuse me for my mistake, if any :)
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Conversely, in muscle cells, low energy charge
["activates or inhibits"] glycolysis.
Specifically, AMP activates the enzyme
["phosphofructokinase...
In muscle cells, high energy charge [inhibits or "activates] glycolysis. Specifically, ATP ["inhibits or activates"] the enzymes...
In muscle cells, high energy charge [inhibits or "activates] glycolysis. Specifically, ATP ["inhibits or activates"] the enzymes phosphofructokinase 1 and pyruvate kinase. The enzyme [hexokinase" or glucokinase] is negatively affected because of a build-up of [glucose 6-phosphate or fructose 1,6-bisphosphate] . Choose one of the answers in the brackets.
please explain answer Glycolysis. In the third step of glycolysis, the enzyme phosphofructokinase transfers a phosphate...
please explain answer
Glycolysis. In the third step of glycolysis, the enzyme phosphofructokinase transfers a phosphate group from ATP to fructose-6-phophate to generate fructose- 1,6- bisphosphate. In contrast, in step 10, the enzyme pyruvate kinase transfers a phosphate group from phosphoenolpyruvate to ADP to generate ATP. Using what you know about the standard free energy change associated with phosphate bonds, (briefly) explain why we observe this difference.
29. The activity of the enzyme phosphofructokinase is a) stimulated by low energy charge b) inhibited...
29. The activity of the enzyme phosphofructokinase is a) stimulated by low energy charge b) inhibited by fructose 2,6-bisphosphate c stimulated by fructose 1.6-bisphosphate d) all of the above 30. NADH is produced at a) aldolase catalyzed reaction b) Glyceraldehyde-3-phosphate dehydrogenase catalyzed reaction c) pyruvate kinase catalyzed reaction d) hexokinase catalyzed reaction 31. The transfer of 3-phosphoglycerate to 2-phosphoglycerate is catalyzed by which enzyme? a) PGM b)PK c)G2PDH d)TPI e)PFK 32. The enzyme aldolase catalyzes which reaction in Glycolysis? a)...
match the following 1. Fructose 1,6-bisphosphate is converted to Fructose 6- phosphate through this enzyme _____...
match the following 1. Fructose 1,6-bisphosphate is converted to Fructose 6- phosphate through this enzyme _____ 2. Synthesis of glucose from noncarbohydrate precursors _____ 3. Stage in which two molecules of ATP are consumed _____ 4. This is formed from pyruvate in yeast and several other microorganisms through fermentation _____ 5. The isomerization of glucose 6-phosphate to fructose 6-phosphate is a coversion of an aldose into a …._____ 6. Pyruvate is converted by pyruvate carboxylase into this intermediate _____ 7....
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...
This discussion focuses on the regulation of glycolysis and gluconeogenesis by phosphofructokinase-2 and will help you...
This discussion focuses on the regulation of glycolysis and
gluconeogenesis by phosphofructokinase-2 and will help you apply
your understanding of these pathways and their regulation to
adaptations in cancerous cells.
You have successfully completed your internship rotation
with the antibiotic group at
MethylTranspharmiX and have moved into
their Cancer Therapeutics division.
In many cancers, cells use aerobic glycolysis rather than
oxidative phosphorylation as their main energy source. This is
known as the Warburg effect, and was first described by Otto...
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends...
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends on substrate concentration? * А B Rate of reaction MÚN Substrate concentration A B D When starch and amylase are mixed in the presence of iodine solution, the blue-black colour rapidly disappears. This is due to the formation of which molecule? * glucose O glycogen sucrose O maltose Which of the following enzyme groups can catalyse oxidation reactions? * O phosphorylases isomerases hydrolases dehydrogenases...
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...
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...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
please explain answer
Glycolysis. In the third step of glycolysis, the enzyme phosphofructokinase transfers a phosphate group from ATP to fructose-6-phophate to generate fructose- 1,6- bisphosphate. In contrast, in step 10, the enzyme pyruvate kinase transfers a phosphate group from phosphoenolpyruvate to ADP to generate ATP. Using what you know about the standard free energy change associated with phosphate bonds, (briefly) explain why we observe this difference.
29. The activity of the enzyme phosphofructokinase is a) stimulated by low energy charge b) inhibited by fructose 2,6-bisphosphate c stimulated by fructose 1.6-bisphosphate d) all of the above 30. NADH is produced at a) aldolase catalyzed reaction b) Glyceraldehyde-3-phosphate dehydrogenase catalyzed reaction c) pyruvate kinase catalyzed reaction d) hexokinase catalyzed reaction 31. The transfer of 3-phosphoglycerate to 2-phosphoglycerate is catalyzed by which enzyme? a) PGM b)PK c)G2PDH d)TPI e)PFK 32. The enzyme aldolase catalyzes which reaction in Glycolysis? a)...
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...
This discussion focuses on the regulation of glycolysis and
gluconeogenesis by phosphofructokinase-2 and will help you apply
your understanding of these pathways and their regulation to
adaptations in cancerous cells.
You have successfully completed your internship rotation
with the antibiotic group at
MethylTranspharmiX and have moved into
their Cancer Therapeutics division.
In many cancers, cells use aerobic glycolysis rather than
oxidative phosphorylation as their main energy source. This is
known as the Warburg effect, and was first described by Otto...
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends on substrate concentration? * А B Rate of reaction MÚN Substrate concentration A B D When starch and amylase are mixed in the presence of iodine solution, the blue-black colour rapidly disappears. This is due to the formation of which molecule? * glucose O glycogen sucrose O maltose Which of the following enzyme groups can catalyse oxidation reactions? * O phosphorylases isomerases hydrolases dehydrogenases...
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...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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