Homework Answers
21) glutamate is generated by the amination of the alpha-ketoglutarate.
so the answer is d) alpha-ketoglutarate
22) ammonium ions are converted to urea by the urea cycle, which occurs in the liver, so the answer is e) urea
( NADH and NADPH are reduced coenzymes, histidine is an amino acids)
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Question 21 Amination of this molecule generates glutamate. acetyl...
Need help with both questions, thank you! Question 11 The final product of fatty acid oxidation...
Need help with both questions, thank you!
Question 11 The final product of fatty acid oxidation of an odd-numbered fatty acid chain is propionyl COA. What is it converted to? alanine succinyl COA O glutamate ketone bodies acetyl COA Question 12 Fatty acid synthesis is reductive biosynthesis. What molecule reduces the carbons during fatty acid synthesis? NADPH O heme FADH2 O NADH acetyl COA
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the...
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the mitochondrion in animal cells, 2 nor Section A B. utilises NADH as an electron donor C) requires NADPH as a substrate. D. requires acetic acid as a substrate. E. consists of a single multifunctional protein in plants and bacteria. 41.One round of beta oxidation produces 1 molecule of acetyl-CoA from a saturated Acyl-CoA molecule. Which reducing equivalents are made in this process in which...
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?...
This is a biochemistry question i need answers to 6-12 What is the purpose of fermentation...
This is a biochemistry question i need answers to 6-12
What is the purpose of fermentation of pyruvate to lactate or ethanol? to produce additional ATP to provide a precursor for lactose synthesis to regenerate NAD* for glycolysis to prevent pyruvate from entering the TCA cycle none of the above Pyruvate kinase catalyzes what reaction? conversion of phosphoenol-pyruvate to pyruvate phosphorylation of pyruvate to 3-phosphoglycerate conversion of pyruvate to acetaldehyde and CO_2 conversion of pyruvate to lactate conversion of pyruvate...
Need help with both questions, thank you! Question 13 The committed step of fatty acid synthesis...
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Question 13 The committed step of fatty acid synthesis is catalyzed by the enzyme acetyl CoA carboxylase. Which of the following accurately describes this enzyme? None of the choices is correct. All of the choices are correct Phosphorylation of the enzyme inhibits its activity. The inhibited enzyme can be stimulated by allosteric regulation of citrate. The dephosphorylated enzyme is active. Question 14 Formation of this molecule is the committed step of fatty acid...
Need help with both questions, thank you! Question 15 Where are the enzymes responsible for elongating...
Need help with both questions, thank you!
Question 15 Where are the enzymes responsible for elongating palmitate located within a cell? Golgi complex cytoplasmic face of the ER cytoplasm mitochondrial matrix lumenal face of the ER Question 16 When fat catabolism is greater than glycogen catabolism, acetyl CoA in the liver is used to make citrate pyruvate ketone bodies. axaloacetate. amino acids.
I need help with the following questions. Question / Based on your knowledge of the function...
I need help with the following questions.
Question / Based on your knowledge of the function of the dihydrolipoyl dehydrogenase enzyme within the pyruvate dehydrogenase complex, which of the following would directly inhibit the activity of that enzyme? ATP NADH glucose acetyl COA pyruvate Question 8 In the Krebs cycle (citric acid cycle), significant amounts of these molecules are produced. acetyl CoA reduced electron carriers ATP oxidized electron carriers citrate
15. Genetic defect in pyruvate dehydrogenase complex lead a. maple syrup urine disease b. phenyike d....
15. Genetic defect in pyruvate dehydrogenase complex lead a. maple syrup urine disease b. phenyike d. lactic acidemia e. pellagra syrup urine disease b, phenylketonuria c. galactosemia 10. Chemical modification by phosphorylation of pyruvate dehydros a. deactivates the enzyme b. activates the enzyme lation of pyruvate dehydrogenase complex : 17. Pyruvate carboxylase is positively ated through the allosteric mechanism by : a. ATP b. NADH c. Acetyl-SCOA d. TPP e. Biotin 18. Which of the listed coenzymes does not particip...
please help me answer questions 27 to 30. thank you 27) Glycolysis converts A) polysaccharides to...
please help me answer questions 27 to 30. thank
you
27) Glycolysis converts A) polysaccharides to glucose B) glucose to pyruvate, which is the metabolized to acetyl Co C) fatty acids to thioesters, which are the metabolized to acetyl COA D) amino acids to ren 20) How much ATP results from the transformation of one glucose molecule to two (2) molecules of acetyl COA? Al 2 ATP molecules B) SATP molecules C) 12 ATP molecules D) 20 ATP molecules 29)...
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...
Need help with both questions, thank you!
Question 11 The final product of fatty acid oxidation of an odd-numbered fatty acid chain is propionyl COA. What is it converted to? alanine succinyl COA O glutamate ketone bodies acetyl COA Question 12 Fatty acid synthesis is reductive biosynthesis. What molecule reduces the carbons during fatty acid synthesis? NADPH O heme FADH2 O NADH acetyl COA
40.Fatty acid synthase is an enzyme in the lipid metabolism pathway, that: A. occurs in the mitochondrion in animal cells, 2 nor Section A B. utilises NADH as an electron donor C) requires NADPH as a substrate. D. requires acetic acid as a substrate. E. consists of a single multifunctional protein in plants and bacteria. 41.One round of beta oxidation produces 1 molecule of acetyl-CoA from a saturated Acyl-CoA molecule. Which reducing equivalents are made in this process in which...
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?...
This is a biochemistry question i need answers to 6-12
What is the purpose of fermentation of pyruvate to lactate or ethanol? to produce additional ATP to provide a precursor for lactose synthesis to regenerate NAD* for glycolysis to prevent pyruvate from entering the TCA cycle none of the above Pyruvate kinase catalyzes what reaction? conversion of phosphoenol-pyruvate to pyruvate phosphorylation of pyruvate to 3-phosphoglycerate conversion of pyruvate to acetaldehyde and CO_2 conversion of pyruvate to lactate conversion of pyruvate...
Need help with both questions, thank you!
Question 13 The committed step of fatty acid synthesis is catalyzed by the enzyme acetyl CoA carboxylase. Which of the following accurately describes this enzyme? None of the choices is correct. All of the choices are correct Phosphorylation of the enzyme inhibits its activity. The inhibited enzyme can be stimulated by allosteric regulation of citrate. The dephosphorylated enzyme is active. Question 14 Formation of this molecule is the committed step of fatty acid...
Need help with both questions, thank you!
Question 15 Where are the enzymes responsible for elongating palmitate located within a cell? Golgi complex cytoplasmic face of the ER cytoplasm mitochondrial matrix lumenal face of the ER Question 16 When fat catabolism is greater than glycogen catabolism, acetyl CoA in the liver is used to make citrate pyruvate ketone bodies. axaloacetate. amino acids.
I need help with the following questions.
Question / Based on your knowledge of the function of the dihydrolipoyl dehydrogenase enzyme within the pyruvate dehydrogenase complex, which of the following would directly inhibit the activity of that enzyme? ATP NADH glucose acetyl COA pyruvate Question 8 In the Krebs cycle (citric acid cycle), significant amounts of these molecules are produced. acetyl CoA reduced electron carriers ATP oxidized electron carriers citrate
15. Genetic defect in pyruvate dehydrogenase complex lead a. maple syrup urine disease b. phenyike d. lactic acidemia e. pellagra syrup urine disease b, phenylketonuria c. galactosemia 10. Chemical modification by phosphorylation of pyruvate dehydros a. deactivates the enzyme b. activates the enzyme lation of pyruvate dehydrogenase complex : 17. Pyruvate carboxylase is positively ated through the allosteric mechanism by : a. ATP b. NADH c. Acetyl-SCOA d. TPP e. Biotin 18. Which of the listed coenzymes does not particip...
please help me answer questions 27 to 30. thank
you
27) Glycolysis converts A) polysaccharides to glucose B) glucose to pyruvate, which is the metabolized to acetyl Co C) fatty acids to thioesters, which are the metabolized to acetyl COA D) amino acids to ren 20) How much ATP results from the transformation of one glucose molecule to two (2) molecules of acetyl COA? Al 2 ATP molecules B) SATP molecules C) 12 ATP molecules D) 20 ATP molecules 29)...
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