Below are statements regarding the body's inability to convert fat to carbohydrates. Select the statements that...
- The acetyl CoA that is produced from the oxidation of fatty acids enters the citric acid cycle, but does not lead to a net gain of pyruvate.
- Metabolism of odd-chain fatty acids yields propionyl CoA, which is converted to succinyl CoA and can enter the citric acid cycle.
- The decarboxylation steps of the citric acid cycle prevent the net synthesis of glucose precursors from acetyl CoA in animal tissues.
- Acetyl CoA that is produced from the oxidation of fatty acids and enters the citric cycle is used in the de novo synthesis of oxaloacetate.
- Acetoacetate is a normal, major energy source for the brain, heart muscle, and renal cortex.
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Below are statements regarding the body's inability to convert fat to carbohydrates. Select the statements that...
Describe “hub” molecules acetyl CoA and pyruvate that serve different pathways. Explain metabolic regulation favoring metabolic pathway choices leading to and from hub molecules. Describe how C.A.C. s...
Describe “hub” molecules acetyl CoA and pyruvate that serve
different pathways. Explain metabolic regulation favoring metabolic
pathway choices leading to and from hub molecules. Describe how
C.A.C. serves as a “hub “pathway. Use picture as a reference.
Pyruvate Glucose Fatty acids sterols pyruvate carboxylase Acetyl-CoA PEP carboxykinase Glutamine Citrate Phosphoenolpyruvate (PEP) Proline Arginine Oxaloacetate PEP carboxylase Citric acid cycle a-Ketoglutarate Malate Glutamate Aspartate Asparagine Serine Glycine Cysteine malic enzyme Purines Succinyl-CoA Phenylalanine Pyrimidines Pyruvate Tyrosine Tryptophan Porphyrins heme Figure 16-16...
80.1% Resources Hint Check Answer Animals are not able to convert fatty acids into carbohydrates. The...
80.1% Resources Hint Check Answer Animals are not able to convert fatty acids into carbohydrates. The net synthesis of 1 mol of oxaloacetate from 2 mol of acetyl-CoA by the citric acid cycle does not occur because 1 mol of oxaloacetate is used in the cycle for each one generated. Plants are able to convert 2 mol of acetyl-CoA into 1 mol of oxaloacetate with only two additional enzymes not found in animals. This process is called the glyoxylate cycle,...
Indicate all of the following statements that are true. Options: 1. ATP is an indirect product...
Indicate all of the following statements that are true. Options: 1. ATP is an indirect product of the citric acid cycle 2. Acetyl CoA can increase the pool of citric acid cycle intermediates 3. Fatty acids can increase the pool of citric acid cycle intermediates 4. ADP inhibits α-ketoglutarate dehydrogenase 5. The pool of mitochondrial oxaloacetate can be increased by pyruvate 6. All enzymes of the citric acid cycle are found soluble and free in the mitochondrial matrix
Please help me with this Nutrition homework assignment for my nursing class. It involves proteins Answer...
Please help me with this Nutrition homework assignment for my nursing class. It involves proteins Answer Choices: a. citric acid / Krebs cycle b. glycogenesis c. electron transport chain d. glycogenolysis e. lipogenesis f. lipolysis g. beta oxidation h. acetyl CoA i. gluconeogenesis j. glycolysis Answer Fill in: (some filled in already) 1. The conversion of glucose to pyruvate J 2. The conversion of fatty acids to acetyl CoA 3. Oxaloacetate and Citrate (citric acid) are intermediates in A 4....
16. How many ATP's are produced per Acetyl-CoA? 17. How many ATP's (include ATP equivalents) and...
16. How many ATP's are produced per Acetyl-CoA? 17. How many ATP's (include ATP equivalents) and CO2 molecules are produced per glucose operating under aerobic? Anabolic and Catalytic Functions of the Citric Acid Cycle 18. Use Figure 14-16 to describe how the Citric Acid Cycle supplies the precursors for the synthesis of amino acids, glucose, and fatty acids.
Fatty acids can fuel the citric acid cycle through a process called _______ to produce _______
Fatty acids can fuel the citric acid cycle through a process called _______ to produce _______ A. beta-oxidation; pyruvate B. None of these answers are correct C. beta-oxidation; acetyl-CoA D. fermentation; ethanol E. oxidative phosphorylation; citrate F. oxidative phosphorylation; NADH G. fermentation; lactate
Which of the following statements about gluconeogenesis is correct? a. Because they form acetyl coA, fatty...
Which of the following statements about gluconeogenesis is correct? a. Because they form acetyl coA, fatty acids can be a substrate for gluconeogenesis. b. The reaction of phosphenolpyruvate carboxykinase is important to replenish the pool of citric acid cycle intermediates. c. The use of GTP as the phosphate donor in the phosphoenolpyruvate carboxykinase reaction provides a link between citric acid cycle activity and gluconeogenesis. d. There is a greater yield of ATP in anaerobic glycolysis than the cost for synthesis...
QUESTION 1 Match the 1-3 word answers for the following statements related to fatty acid oxidation...
QUESTION 1 Match the 1-3 word answers for the following statements related to fatty acid oxidation and fatty acid synthesis. In animal cells, fatty acid synthesis carried A. Cytosol out in the B. Mitochondrial matrix. The site of B-oxidation in the cell is C. Malonyl-CoA Intermediate in fatty acid synthesis that D. Complex I inhibits carnitine acyltransferase I, thus regulating fatty acid oxidation. E. Carnitine in the third step of B-0&1&atiov, electrons are NADPH transferred to NAD+; NADH then donates...
1. Select the TRUE statement about the citric acid cycle. A. Isocitrate dehydrogenase is a multienzyme...
1. Select the TRUE statement about the citric acid cycle. A. Isocitrate dehydrogenase is a multienzyme complex that is very similar to the pyruvate dehydrogenase complex B. The two decarboxylation steps occur right after each other, first via oxidative alpha- decarboxylation, then via oxidative beta- decarboxylation. C. In one turn of the cycle, the two carbons that enter the cycle as acetyl CoA are the same two carbons that are released as CO2. D. A flavin containing dehydrogenase enzymes oxidizes...
110. Tay Sachs disease is the result of a genetic defect in the metabolism of: A. Sterols B. Triacylglycerols C. Vitamin...
110. Tay Sachs disease is the result of a genetic defect in the metabolism of: A. Sterols B. Triacylglycerols C. Vitamin D D. Gangliosides E. Phosphatidyl ethanolamine 111. The carbon atoms from a fatty acid with an odd number of carbons with enter the citric acid cycle as acetylCoA and: A. Butyrate B. Citrate C. Malate D. Succinyl-CoA 112. Which is the correct order of function of the following enzymes in one cycle of B oxidation? 1. B-hydroxyacyl-CoA dehydrogenase 2....
Describe “hub” molecules acetyl CoA and pyruvate that serve
different pathways. Explain metabolic regulation favoring metabolic
pathway choices leading to and from hub molecules. Describe how
C.A.C. serves as a “hub “pathway. Use picture as a reference.
Pyruvate Glucose Fatty acids sterols pyruvate carboxylase Acetyl-CoA PEP carboxykinase Glutamine Citrate Phosphoenolpyruvate (PEP) Proline Arginine Oxaloacetate PEP carboxylase Citric acid cycle a-Ketoglutarate Malate Glutamate Aspartate Asparagine Serine Glycine Cysteine malic enzyme Purines Succinyl-CoA Phenylalanine Pyrimidines Pyruvate Tyrosine Tryptophan Porphyrins heme Figure 16-16...
80.1% Resources Hint Check Answer Animals are not able to convert fatty acids into carbohydrates. The net synthesis of 1 mol of oxaloacetate from 2 mol of acetyl-CoA by the citric acid cycle does not occur because 1 mol of oxaloacetate is used in the cycle for each one generated. Plants are able to convert 2 mol of acetyl-CoA into 1 mol of oxaloacetate with only two additional enzymes not found in animals. This process is called the glyoxylate cycle,...
16. How many ATP's are produced per Acetyl-CoA? 17. How many ATP's (include ATP equivalents) and CO2 molecules are produced per glucose operating under aerobic? Anabolic and Catalytic Functions of the Citric Acid Cycle 18. Use Figure 14-16 to describe how the Citric Acid Cycle supplies the precursors for the synthesis of amino acids, glucose, and fatty acids.
Fatty acids can fuel the citric acid cycle through a process called _______ to produce _______ A. beta-oxidation; pyruvate B. None of these answers are correct C. beta-oxidation; acetyl-CoA D. fermentation; ethanol E. oxidative phosphorylation; citrate F. oxidative phosphorylation; NADH G. fermentation; lactate
QUESTION 1 Match the 1-3 word answers for the following statements related to fatty acid oxidation and fatty acid synthesis. In animal cells, fatty acid synthesis carried A. Cytosol out in the B. Mitochondrial matrix. The site of B-oxidation in the cell is C. Malonyl-CoA Intermediate in fatty acid synthesis that D. Complex I inhibits carnitine acyltransferase I, thus regulating fatty acid oxidation. E. Carnitine in the third step of B-0&1&atiov, electrons are NADPH transferred to NAD+; NADH then donates...
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