Why are two ATP needed to begin glycolysis? Multiple Choice A to move the reaction into...
Why are two ATP needed to begin glycolysis? Multiple Choice A to move the reaction into the mitochondria B to compensate for the lack of oxygen C to activate the glucose D to donate electrons to NAD+ E to accept electrons from glucose
Homework Answers
C is the answer. Two ATPs are required to activate the glucose molecule. One phosphate group from the ATP is used to phosphoryalate glucose to form glucose-6-phosphate and the second ATP is required to phosphoryalate Fructose-6-phosphate to Fructose-1,6-diphosphate. which is basically the activation of the glucose molecule so that it can be used in the process of glycolysis and produce 2 molecules of pyruvic acid and 4 ATP in the process of glycolysis.
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Why are two ATP needed to begin glycolysis? Multiple Choice A to
move the reaction into...
42. The end result of glycolysis includes the a creation of 38 molecules of ATP. b....
42. The end result of glycolysis includes the a creation of 38 molecules of ATP. b. reduction of eight molecules of NAD to NADH. c.formation of two molecules of pyruvate. d. conversion of one molecule of glucose to lactic acid. e. None of the above 43. During the energy investing portion of glycolysis, the phosphates from ATP molecules are a. added to the first and sixth carbons of glucose. b. added to the second and fourth carbons of glucose. c....
Need the correct answers and explain why they are now correct The first phase of gycolysis...
Need the correct answers and explain why they are now
correct
The first phase of gycolysis is called investment phase because a. Glucose accumulates to high levels in cell before glycolysis starts b. NADH is produced as an investment to be used later in the generation of ATP. c. It generates ATP d. NAD+ is regenerated for later use e. Energy is used in two steps to phosphorylate glucose and fructose-6-P Which statement about this reaction is TRUE? a. Pyruvate...
is required to accept electron 17. At the very end of the electron transport chain in...
is required to accept electron 17. At the very end of the electron transport chain in the mitochondria, final electron acceptor. A. carbon dioxide B. ADP C. ATP Synthase Doxygen E. NAD+ 18. Select the correct flow of energy transfer during cellular respiration. A. NADHH gradient glucose → ATP B glucose → NADH H gradient ATP C. glucose H gradient → NADH ATP D. glucose ATPH gradient → NADH 19. If a muscle cell has low levels of oxygen, which...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism and Cellular Respiration Refer to Figure below as a guide to answer the folloaing questions Acetyt CoA Oxaloacetic acid CoA NADH Citric acid NAD Isocitric acid Malic acid Fumaric acid NAD co NADH -FADH FAD+ a-Ketoglutaric acid Succinic acid CO2NAD ATP Succinyl CoA ADP P NADH Figure above. Starting with citric acid and ending with oxaloacetic acid, how many ATP 6) Refer to molecules...
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...
Louis Pasteur observed that when oxygen is introduced to cells consuming glucose at a high rate...
Louis Pasteur observed that when oxygen is introduced to cells consuming glucose at a high rate in an anaerobic environment, fermentation ceases and the rate of glucose consumption decreases. This phenomenon is called the Pasteur effect. The basis of this effect is the shift from fermentation to oxidative phosphorylation to regenerate NAD*. Additionally, the cells also synthesize ATP through oxidative phosphorylation. In respiration-deficient yeast mutants that lack cytochrome oxidase, the Pasteur effect is not seen. Select the reasons why the...
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...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH +...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
D Question 19 2 pts Which of the following statements best describes the primary role played...
D Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of...
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP...
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP hydrolysis is /mol, what is AG for the coupled reaction? A. 46 kJ/mo B-18.4 kJ/mol C. -32.2 kJ/mol D. 18.4kJ/mol 26. Which of the following is true about oxidation-reduction reactions? A. B. C. D. During oxidation a compound gains electrons. Every oxidation must be accompanied by a reduction Dehydrogenases typically remove two electrons and two hydrides (H). There are four commonly accessed oxidation states...
42. The end result of glycolysis includes the a creation of 38 molecules of ATP. b. reduction of eight molecules of NAD to NADH. c.formation of two molecules of pyruvate. d. conversion of one molecule of glucose to lactic acid. e. None of the above 43. During the energy investing portion of glycolysis, the phosphates from ATP molecules are a. added to the first and sixth carbons of glucose. b. added to the second and fourth carbons of glucose. c....
Need the correct answers and explain why they are now
correct
The first phase of gycolysis is called investment phase because a. Glucose accumulates to high levels in cell before glycolysis starts b. NADH is produced as an investment to be used later in the generation of ATP. c. It generates ATP d. NAD+ is regenerated for later use e. Energy is used in two steps to phosphorylate glucose and fructose-6-P Which statement about this reaction is TRUE? a. Pyruvate...
is required to accept electron 17. At the very end of the electron transport chain in the mitochondria, final electron acceptor. A. carbon dioxide B. ADP C. ATP Synthase Doxygen E. NAD+ 18. Select the correct flow of energy transfer during cellular respiration. A. NADHH gradient glucose → ATP B glucose → NADH H gradient ATP C. glucose H gradient → NADH ATP D. glucose ATPH gradient → NADH 19. If a muscle cell has low levels of oxygen, which...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Metabolism and Cellular Respiration Refer to Figure below as a guide to answer the folloaing questions Acetyt CoA Oxaloacetic acid CoA NADH Citric acid NAD Isocitric acid Malic acid Fumaric acid NAD co NADH -FADH FAD+ a-Ketoglutaric acid Succinic acid CO2NAD ATP Succinyl CoA ADP P NADH Figure above. Starting with citric acid and ending with oxaloacetic acid, how many ATP 6) Refer to molecules...
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...
Louis Pasteur observed that when oxygen is introduced to cells consuming glucose at a high rate in an anaerobic environment, fermentation ceases and the rate of glucose consumption decreases. This phenomenon is called the Pasteur effect. The basis of this effect is the shift from fermentation to oxidative phosphorylation to regenerate NAD*. Additionally, the cells also synthesize ATP through oxidative phosphorylation. In respiration-deficient yeast mutants that lack cytochrome oxidase, the Pasteur effect is not seen. Select the reasons why the...
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...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
D Question 19 2 pts Which of the following statements best describes the primary role played by oxygen in cellular respiration? It yields energy in the form of ATP as it is passed down the electron transport chain. It serves as an acceptor for carbon, forming CO2 in the citric acid cycle. It oxidizes glucose to form two molecules of pyruvate. It serves as the final acceptor for electrons from the electron transport chain. Question 20 2 pts Which of...
ve the overall reaction ATP + glucose→glucose-6-phosphate + ADP + H. lf the &G" of ATP hydrolysis is /mol, what is AG for the coupled reaction? A. 46 kJ/mo B-18.4 kJ/mol C. -32.2 kJ/mol D. 18.4kJ/mol 26. Which of the following is true about oxidation-reduction reactions? A. B. C. D. During oxidation a compound gains electrons. Every oxidation must be accompanied by a reduction Dehydrogenases typically remove two electrons and two hydrides (H). There are four commonly accessed oxidation states...
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