1. Which of the following can go into mitochondrial matrix and which are present in both cytosol...
1. Which of the following can go into mitochondrial matrix and which are present in both cytosol and mitochondrial matrix ? NADH, Pyruvate, Acetyl CoA , malate, Oxaloacetate
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1. Which of the following can go into mitochondrial
matrix and which are present in both cytosol...
A) Acetyl coA is made from pyruvate in the [ Select ] ["mitochondrial matrix", "cytoplasm", "",...
A) Acetyl coA is made from pyruvate in the [ Select ] ["mitochondrial matrix", "cytoplasm", "", ""] by [ Select ] ["pyruvate dehydrogenase", "succinate dehydrogenase"] complex. In this process, the acetyl group is moved between enzymes within the complex by the [ Select ] ["lipoamide", "TPP"] . The [ Select ] ["dihydrolipoyl transacetylase", "pyruvate dehydrogenase component"] is the enzyme in which acetyl coA is actually formed. The [ Select ] ["FADH2", "lipoamide"] in the dihydrolipoyl dehydrogenase donates two electrons to...
6) What protein complex in the inner mitochondrial membrane allows protons to return to the matrix?...
6) What protein complex in the inner mitochondrial membrane allows protons to return to the matrix? ONADH dehydrogenase FoF1 porin electron transport carriers cytochrome 47) Which of the following compounds inhibits the pyruvate dehydrogenase (2pts) complex? O FAD NAD+ □ ADP acetyl COA 48) The acetyl group of acetyl CoA is transferred to oxaloacetate by the enzyme citrate synthase. OTrue (2pts) False
Question 7 2 pts Citrate produced in the mitochondria is exported to the cytosol by the...
Question 7 2 pts Citrate produced in the mitochondria is exported to the cytosol by the citrate transporter. In the cytosol, citrate is converted to--(1)--. What enzyme is activated by increased levels of citrate?(2) 7 O (1) malate and acetyl-CoA; (2) fatty acid synthase (1) acetyl-CoA and oxaloacetate; (2) fatty acid synthase O (1) malonyl-CoA; (2) acetyl-CoA carboxylase 0 (1) acetyl-CoA and oxaloacetate; (2) acetyl-CoA carboxylase
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux...
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux through the citrate cycle when energy charge in the cell is lovw Oxaloacetate is required for mitochondrial shuttle systems, and therefore it makes sense to activate pyruvate carboxylase by ATP and inhibit it by malate. None of the answers are correct. The best way to balance the input of carbon into the citrate cycle is to regulate the production of citrate using vitamins like...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively?...
please answer both questions 6. Why is malate converted to pyruvate instead of oxaloacetate in the citrate shuttle?...
please answer both questions
6. Why is malate converted to pyruvate instead of oxaloacetate in the citrate shuttle? 7. Which molecule determines the fate of fatty-acyl CoA generated in the cytosol? Hint: consider which molecule regulates the enzyme that catalyzes the committed step of B oxidation.
6. Why is malate converted to pyruvate instead of oxaloacetate in the citrate shuttle? 7. Which molecule determines the fate of fatty-acyl CoA generated in the cytosol? Hint: consider which molecule regulates the enzyme...
Which sequence of amino acids would likely be found in the interior of a globular protein?...
Which sequence of amino acids would likely be found in the interior of a globular protein? GMWS IEDP HEKR DEAR Which of the following reactions is spontaneous in the forward direction when the reactants are my present in equirnolar amounts ? Glyceraldehyde 3 phosphate e Dihydroxyacetone phosphate creatine phosphate . ADP ATP creatine ADP. 1,3 bisphosphoglycerate 3 phosphoglycerate + ATP glycerol 3-phosphate + ADP = ATP glycerol NADH+ + H+ oxaloacetate NAD+ + malate NAD+ + pyruvate + COA NADH...
6. In mammals, which of the following does not occur during the citric acid cycle? A)...
6. In mammals, which of the following does not occur during the citric acid cycle? A) formation of a-ketoglutarate. D) metabolism of acetate to carbon dioxide and water. B) net synthesis of oxaloacetate from acetyl-CoA. E) oxidation of acetyl-CoA. C) generation of NADH and FADHz. 7. Which of the following reaction generates GTP(ATP) in the CAC? A) Isocitrate to a-ketoglutarate. D) Fumarate to Malate. B) Malate to Oxaloacetate. E) Succinyl-CoA to Succinate. C) a-ketoglutarate to Succinyl-CoA.
1. Which of the following proteins are unlikely the precursors of the inner mitochondrial protein? A.proteins...
1. Which of the following proteins are unlikely the precursors of the inner mitochondrial protein? A.proteins initially located in the lumen of the endoplasmic reticulum B.proteins synthesized in the cytosol C.proteins synthesized in the mitochondrial matrix D.proteins synthesized in the cytosol and are first transported into the mitochondrial matrix 2. Which of the following proteins whose syntheses are completed in the rough ER? A. pyruvate kinase located in the cytosol B. enzymes located in the lysosomes C. histone H3 D....
26. Based on our discussion in class, high levels of NADH would likely A. cause pellagra...
26. Based on our discussion in class, high levels of NADH would likely A. cause pellagra B. stimulate glycolysis C. slow down the movement of molecules through the citric acid cycle D. slow down oxidative phosphorylation E. break down carbohydrates 27. What purpose does fermentation serve? A. It regenerates NAD* from NADH to keep glycolysis going in the absence of oxygen. B. It allows for the production of NADH, which keeps the electron transport chain going. C. It produces an...
6) What protein complex in the inner mitochondrial membrane allows protons to return to the matrix? ONADH dehydrogenase FoF1 porin electron transport carriers cytochrome 47) Which of the following compounds inhibits the pyruvate dehydrogenase (2pts) complex? O FAD NAD+ □ ADP acetyl COA 48) The acetyl group of acetyl CoA is transferred to oxaloacetate by the enzyme citrate synthase. OTrue (2pts) False
Question 7 2 pts Citrate produced in the mitochondria is exported to the cytosol by the citrate transporter. In the cytosol, citrate is converted to--(1)--. What enzyme is activated by increased levels of citrate?(2) 7 O (1) malate and acetyl-CoA; (2) fatty acid synthase (1) acetyl-CoA and oxaloacetate; (2) fatty acid synthase O (1) malonyl-CoA; (2) acetyl-CoA carboxylase 0 (1) acetyl-CoA and oxaloacetate; (2) acetyl-CoA carboxylase
Choose the ONE BEST answer explaining how oxaloacetate and acetyl-CoA levels are balanced to maximize flux through the citrate cycle when energy charge in the cell is lovw Oxaloacetate is required for mitochondrial shuttle systems, and therefore it makes sense to activate pyruvate carboxylase by ATP and inhibit it by malate. None of the answers are correct. The best way to balance the input of carbon into the citrate cycle is to regulate the production of citrate using vitamins like...
I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively?...
please answer both questions
6. Why is malate converted to pyruvate instead of oxaloacetate in the citrate shuttle? 7. Which molecule determines the fate of fatty-acyl CoA generated in the cytosol? Hint: consider which molecule regulates the enzyme that catalyzes the committed step of B oxidation.
6. Why is malate converted to pyruvate instead of oxaloacetate in the citrate shuttle? 7. Which molecule determines the fate of fatty-acyl CoA generated in the cytosol? Hint: consider which molecule regulates the enzyme...
Which sequence of amino acids would likely be found in the interior of a globular protein? GMWS IEDP HEKR DEAR Which of the following reactions is spontaneous in the forward direction when the reactants are my present in equirnolar amounts ? Glyceraldehyde 3 phosphate e Dihydroxyacetone phosphate creatine phosphate . ADP ATP creatine ADP. 1,3 bisphosphoglycerate 3 phosphoglycerate + ATP glycerol 3-phosphate + ADP = ATP glycerol NADH+ + H+ oxaloacetate NAD+ + malate NAD+ + pyruvate + COA NADH...
6. In mammals, which of the following does not occur during the citric acid cycle? A) formation of a-ketoglutarate. D) metabolism of acetate to carbon dioxide and water. B) net synthesis of oxaloacetate from acetyl-CoA. E) oxidation of acetyl-CoA. C) generation of NADH and FADHz. 7. Which of the following reaction generates GTP(ATP) in the CAC? A) Isocitrate to a-ketoglutarate. D) Fumarate to Malate. B) Malate to Oxaloacetate. E) Succinyl-CoA to Succinate. C) a-ketoglutarate to Succinyl-CoA.
26. Based on our discussion in class, high levels of NADH would likely A. cause pellagra B. stimulate glycolysis C. slow down the movement of molecules through the citric acid cycle D. slow down oxidative phosphorylation E. break down carbohydrates 27. What purpose does fermentation serve? A. It regenerates NAD* from NADH to keep glycolysis going in the absence of oxygen. B. It allows for the production of NADH, which keeps the electron transport chain going. C. It produces an...
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