Homework Answers
Answer 1) Additional energy can be provided and body fat can be made when amino acids are converted to Acetyl CoA. This is because when the amino acid is converted into acetyl CoA they produce energy and fatty acids, which then convert into fats.
2) Some amino acids enter the TCA cycle directly and, therefore, are allowed to continue in the metabolic cycle to generate energy and glucose. For example, Oxaloacetate is a part of the TCA cycle which is formed by deamination of asparagine and aspartate.
3) The availability of nitrogen allows the body to use acetyl CoA and glycerol to make some non-essential amino acids. Except for tyrosine, all non- essential amino acids are produced from nitrogen availability.
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Additional energy can be provided and body fat can be made when amino acids are converted...
Please help and explain answers! 1. In a series of chemical reactions, glucose is first converted...
Please help and explain answers! 1. In a series of chemical reactions, glucose is first converted into __________. a) pyruvate b) glycerol c) acetyl CoA 2. In the process of glycose breaking down, hydrogen and electrons are carried by coenzymes made from the ___. a) B vitamin biotin b) B vitamin niacin c) vitamin thiamine 3. In the Cori Cycle, the conversion of lactate to glycose by anaerobic glycolysis in the muscle requires energy from ___________. a) acetyl CoA b)...
Match the following nutrients with the stage at which they can directly enter the ATP-production pathway...
Match the following nutrients with the stage at which they can
directly enter the ATP-production pathway
Stage 2: Ketogenic amino acids, glucose, and fatty acids are converted to acetyl COA Acetyl COA Stage 3: Acetyl CoA enters the TCA cycle, releasing GTP, hydrogen ions and their electrons, and Co, Some amino acids can be converted to intermediate TCA compounds. TCA Cycle Stage 4: The coenzymes NADH+H and FADH, release the hydrogen ions and their electrons in the electron transport chain,...
Glucose oxidation rapidly adjusts to the dietary intake of carbohydrate. Which of these statements is true...
Glucose oxidation rapidly adjusts to the dietary intake of carbohydrate. Which of these statements is true regarding excess carbohydrate intake? Choose all that apply. Excess carbohydrates slanul the body to store amino acids Excess carbohydrates are stored as glycogen Excess carbohydrates trager the process of gluconeogenesis. Excess carbohydrates can be converted to fat. Match the term with the correct definition Synthesis of glycogen lyropeless Synthesis of fatty acids & triglycerides ketogenic amino acids Amino acids that can be used to...
Which of the following can be converted to acetyl-CoA? glucose only glucose and fatty acids Oglucose,...
Which of the following can be converted to acetyl-CoA? glucose only glucose and fatty acids Oglucose, fatty acids, and ketogenic amino acids fatty acids only
This question gives an overview of how a starving body metabolizes energy. Include any additional calculations...
This question gives an overview of how a starving body metabolizes energy. Include any additional calculations below or on attached sheets. Clearly label all work. Assume the following: The metabolic rate is constant at 1800 Kcal/day and at least 15% of this must be derived from glucose The starving person initially has 13kg of pure fat, 4.5kg of mobilizable protein in muscle, and 0.5kg of pure glycogen (these values are reasonable for a 70kg adult male) No energy is lost...
If amino acids are not needed for tissue repair and protein synthesis, they can be? converted...
If amino acids are not needed for tissue repair and protein synthesis, they can be? converted to glucose or used for energy, stored as triglyceride, converted to triglycerides or used for energy, used for energy, converted to glucose or converted to triglyceride, used for energy
Glucose is essential for the body to function. Nearly all tissues use glucose for energy and...
Glucose is essential for the body to function. Nearly all tissues use glucose for energy and biosynthesis, and the brain relies heavily on glucose as an energy source. Both Dave's and Michael's livers must have produced some glucose during their three-week experiment before the marathon Classify each substance based on whether a healthy person's liver can use it to create glucose for the brain and other tissues. Can be used by the liver to create glucose Cannot be used by...
Below are statements regarding the body's inability to convert fat to carbohydrates. Select the statements that...
Below are statements regarding the body's inability to convert fat to carbohydrates. Select the statements that are true. There is more than one correct answer. Select all the correct answers. 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...
Questions on Metabolic Pathways & Energy balance 81 Match the items. #2 What can be said...
Questions on Metabolic Pathways & Energy balance
81 Match the items. #2 What can be said about the glycolysis pathway? a. Initial breakdown of carbohydrate b. Initial breakdown of fat C. Made by all three energy nutrients d. Removal of nitrogen from an amino acid e. Most ATP is produced a. requires oxygen. b. is the breakdown of pyruvate to acetyl COA. C. converts acetyl CoA into pantothenic acid. od results in the formation of pyruvate. 1. Electron Transport Chain...
From the information in Chapter 8 on metabolism and Appendix A, we can see the multiple...
From the information in Chapter 8 on metabolism and Appendix A, we can see the multiple metabolic pathways involved in generating ATP from the breakdown of the nutrients glucose, protein and fats. Glycolysis generates pyruvate, the pyruvate then becomes Acetyl CoA, which enters the Krebs Cycle (TCA), products of the Krebs Cycle then enter the Electron Transport Chain (ETC) where ATP is the final product. Fat breakdown (beta-oxidation) also generates Acetyl CoA, which then enters the Krebs Cycle to produce...
Match the following nutrients with the stage at which they can
directly enter the ATP-production pathway
Stage 2: Ketogenic amino acids, glucose, and fatty acids are converted to acetyl COA Acetyl COA Stage 3: Acetyl CoA enters the TCA cycle, releasing GTP, hydrogen ions and their electrons, and Co, Some amino acids can be converted to intermediate TCA compounds. TCA Cycle Stage 4: The coenzymes NADH+H and FADH, release the hydrogen ions and their electrons in the electron transport chain,...
Glucose oxidation rapidly adjusts to the dietary intake of carbohydrate. Which of these statements is true regarding excess carbohydrate intake? Choose all that apply. Excess carbohydrates slanul the body to store amino acids Excess carbohydrates are stored as glycogen Excess carbohydrates trager the process of gluconeogenesis. Excess carbohydrates can be converted to fat. Match the term with the correct definition Synthesis of glycogen lyropeless Synthesis of fatty acids & triglycerides ketogenic amino acids Amino acids that can be used to...
Which of the following can be converted to acetyl-CoA? glucose only glucose and fatty acids Oglucose, fatty acids, and ketogenic amino acids fatty acids only
Glucose is essential for the body to function. Nearly all tissues use glucose for energy and biosynthesis, and the brain relies heavily on glucose as an energy source. Both Dave's and Michael's livers must have produced some glucose during their three-week experiment before the marathon Classify each substance based on whether a healthy person's liver can use it to create glucose for the brain and other tissues. Can be used by the liver to create glucose Cannot be used by...
Questions on Metabolic Pathways & Energy balance
81 Match the items. #2 What can be said about the glycolysis pathway? a. Initial breakdown of carbohydrate b. Initial breakdown of fat C. Made by all three energy nutrients d. Removal of nitrogen from an amino acid e. Most ATP is produced a. requires oxygen. b. is the breakdown of pyruvate to acetyl COA. C. converts acetyl CoA into pantothenic acid. od results in the formation of pyruvate. 1. Electron Transport Chain...
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