Homework Answers
1. Substrate level phosphorylation is the transfer of phosphate group from a phosphorylated compound to generate ATP. This process proceeds without a proton gradient. Substrate level phosphorylation occurs in glycolysis and during Krebs cycle.
2. In glycolysis, conversion if 1,3-bisphosphoglycerate to 3 phosphoglycerate produces ATP. The conversion of phosphoenolpyruvate to pyruvate also generates ATP via substrate level phosphorylation.
In Kreb's cycle, conversion of succinyl CoA to succinate generates one molecule of GTP. This GTP is equivalent to ATP.
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points total-What is substrate level phosphorylation as it relates to the cellular respiration process 5 points...
Which of the following is correct? O Most of the ATP are produced by substrate-level phosphorylation....
Which of the following is correct? O Most of the ATP are produced by substrate-level phosphorylation. O Glycolysis relies on substrate-level oxidation for the four ATP produced in this pathway. O Most ATP from cellular respiration are produced directly in the citric acid (Krebs) cycle. Each FADH2 yields about 1.5 ATP via oxidative phosphorylation. Submit Request Answer
Place the cellular respiration pathways in their correct locations. Place the cellular respiration pathways in their...
Place the cellular respiration pathways in their correct
locations.
Place the cellular respiration pathways in their correct locations. Breakdown of pyruvate Glycolysis Oxidative phosphorylation Citric acid cycle 1 OOOOOO Outer mitochondrial membrane Cytosol 2pYYSC Mitochondrial matrix Inner mitochondrial membrane 2 NADH 2 NADH 2 pyruvate 6 NADH 2 FADH Pyruvate | 2000 2 acetyl 2 CO 2002+2 acetyl 2 CO 2 acetyl 2 CO2 +2 ATP +2 ATP +30-34 ATP MAS Via substrate-level phosphorylation Via chemiosmosis Va substrate-level phosphorylation
What is substrate level and respiration-linked phosphorylation, • What is oxidative phosphorylation, how is it different...
What is substrate level and respiration-linked phosphorylation, • What is oxidative phosphorylation, how is it different from photophosphorylation. • What is the chemiosmotic theory • describe the electron transport chain (ETC) with different complexes and components, what are the electron carries, what forms are electron moved etc. • explain the Q cycle • Describe the different cytochromes and iron-sulfur proteins of the ETC • What is proton motive force, chemical potential and electrical potential • describe the structure of ATP...
Ch. 9 11) What are the four steps of cellular respiration? What are the initial reactants...
Ch. 9 11) What are the four steps of cellular respiration? What are the initial reactants and final products from each of these steps (include NADH and FADH2)? Where do they occur in the cell/mitochondria? 12) Why is the pyruvate processing step necessary? Why not go straight to the citric acid cycle? 13) What is homeostasis? How does cellular respiration play a role in anabolic reactions (think intermediates)? 14) How are the first three steps of cellular respiration regulated? 15)...
From the following which is true about cellular respiration (select all that apply) 1. In prokaryotes,...
From the following which is true about cellular respiration (select all that apply) 1. In prokaryotes, the electrons transport is in the plasma membrane 2. Prokaryotic fermentation net yield is 4 ATP and oxidative respiration has 32 ATP 3. The major regulatory enzyme of glycolysis is Hexokinase 4. Substrate-level phosphorylation is catalyzed by kinase and transfers the phosphate group from an intermediate in a metabolic pathway directly to a molecule of ADP
Question 44 (4 points) In the process of generating ATP, lactic acid buildup in the muscle...
Question 44 (4 points) In the process of generating ATP, lactic acid buildup in the muscle can occur causing muscle soreness. The pathway that causes lactic acid buildup is called: Electron transport Creatine phosphate phosphorylation Aerobic cellular respiration Anaerobic cellular respiration
During which step(s) of cellular respiration does the cell generate ATP? Glycolysis Citric Acid Cycle Oxidative...
During which step(s) of cellular respiration does the cell generate ATP? Glycolysis Citric Acid Cycle Oxidative Phosphorylation A and B only are true B and C only are true A and C only are true A. B. and C are all true What is substrate-level phosphorylation? The phosphorylation of reactants by phosphatases an enzyme directly adds one phosphate at a time to a molecule Multiple phosphorylation's happening at the same time Phosphorylation that happens outside the mitochondria
Chapter 5 (Cellular Respiration) With the aid of your notes and/or textbook, write the terms that...
Chapter 5 (Cellular Respiration) With the aid of your notes and/or textbook, write the terms that correspond to the following definitions and descriptions Oxygen-requiring process that produces CO., H,0 and ATP. A series of enzyme catalyzed reactions that form pyruvate molecules from splitting glucose. Second stage of aerobic cellular respiration that produces CO, and electron camer molecules, and takes place in the mitochondrion. Type of cellular respiration that does not use oxygen in the production of ATP. Produces lactic acid...
Describe the differences between substrate-level phosphorylation and chemiosmotic (oxidative) phosphorylation as mechanisms of ATP formation. Where...
Describe the differences between substrate-level phosphorylation and chemiosmotic (oxidative) phosphorylation as mechanisms of ATP formation. Where in a prokaryotic cell does each occur? What are the substrates that are used to form ATP? What is the source of energy for ATP synthesis?
What is the theoretical TOTAL yield of ATP per glucose molecule in the entire Cellular Respiration...
What is the theoretical TOTAL yield of ATP per glucose molecule in the entire Cellular Respiration process?
Which of the following is correct? O Most of the ATP are produced by substrate-level phosphorylation. O Glycolysis relies on substrate-level oxidation for the four ATP produced in this pathway. O Most ATP from cellular respiration are produced directly in the citric acid (Krebs) cycle. Each FADH2 yields about 1.5 ATP via oxidative phosphorylation. Submit Request Answer
Place the cellular respiration pathways in their correct
locations.
Place the cellular respiration pathways in their correct locations. Breakdown of pyruvate Glycolysis Oxidative phosphorylation Citric acid cycle 1 OOOOOO Outer mitochondrial membrane Cytosol 2pYYSC Mitochondrial matrix Inner mitochondrial membrane 2 NADH 2 NADH 2 pyruvate 6 NADH 2 FADH Pyruvate | 2000 2 acetyl 2 CO 2002+2 acetyl 2 CO 2 acetyl 2 CO2 +2 ATP +2 ATP +30-34 ATP MAS Via substrate-level phosphorylation Via chemiosmosis Va substrate-level phosphorylation
Ch. 9 11) What are the four steps of cellular respiration? What are the initial reactants and final products from each of these steps (include NADH and FADH2)? Where do they occur in the cell/mitochondria? 12) Why is the pyruvate processing step necessary? Why not go straight to the citric acid cycle? 13) What is homeostasis? How does cellular respiration play a role in anabolic reactions (think intermediates)? 14) How are the first three steps of cellular respiration regulated? 15)...
Question 44 (4 points) In the process of generating ATP, lactic acid buildup in the muscle can occur causing muscle soreness. The pathway that causes lactic acid buildup is called: Electron transport Creatine phosphate phosphorylation Aerobic cellular respiration Anaerobic cellular respiration
During which step(s) of cellular respiration does the cell generate ATP? Glycolysis Citric Acid Cycle Oxidative Phosphorylation A and B only are true B and C only are true A and C only are true A. B. and C are all true What is substrate-level phosphorylation? The phosphorylation of reactants by phosphatases an enzyme directly adds one phosphate at a time to a molecule Multiple phosphorylation's happening at the same time Phosphorylation that happens outside the mitochondria
Chapter 5 (Cellular Respiration) With the aid of your notes and/or textbook, write the terms that correspond to the following definitions and descriptions Oxygen-requiring process that produces CO., H,0 and ATP. A series of enzyme catalyzed reactions that form pyruvate molecules from splitting glucose. Second stage of aerobic cellular respiration that produces CO, and electron camer molecules, and takes place in the mitochondrion. Type of cellular respiration that does not use oxygen in the production of ATP. Produces lactic acid...
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