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Which of the following is true about gluconeogenesis? The pathways uses all the same enzymes as...
Glycolysis and gluconeogenesis are concurrent and complementary metabolic pathways. Which of the following IS NOT TRUE...
Glycolysis and gluconeogenesis are concurrent and complementary metabolic pathways. Which of the following IS NOT TRUE a) glycolysis and gluconeogenesis regulate the availability of glucose in the cell b) all enzymes and intermediates used in glycolysis and gluconeogenesis are the same, glucose, respectively anabolizes acetyl-CoA and pyruvate to glucose. fructose 16P into fructose 6P (final step) in gluconeogenesis uses pathway specific ) glycolysis catabolizes glucose to pyruvate and acetyl-CoA and gluconeogenesis d) the conversion of pyruvate into phosphoenolpyruvate (first step)...
28. Which one of the following statements is true? a) The brain b) Muscle cannot use...
28. Which one of the following statements is true? a) The brain b) Muscle cannot use fatty acids as an energy source. c) The brain exports ketone bodies as fuels for other tissues d) Fatty acids cannot be used as an energy source in humans e) as an energy source, but can use ketone bodies enzymes of the Glyoxylate cycle Heart muscle stores fuel as glycogen. 29. An intermediate found in gluconeogenesis and not in glycolysoxaloacetate a) 2-phosphoglycerate b) phosphoenolpyruvate...
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 Which of the following processes/pathways CANNOT occur in the absence of O2? Oxidative phosphorylation...
QUESTION 1 Which of the following processes/pathways CANNOT occur in the absence of O2? Oxidative phosphorylation Substrate level phosphorylation Oxidation of NADH Photosynthesis Fermentation 1 points QUESTION 2 Phosphofructokinase (PFK-1) is one of the most regulated enzymes in metabolism. Which of the following would be expected to be an allosteric inhibitor of PFK-1? Glucose Fructose-6-phosphate Acetyl CoA AMP 1 points QUESTION 3 Which of the following is a reactant of the first reaction of glycolysis? Glucose ADP ATP...
Make a poster showing integration of all major metabolic routes in a liver cell. Need to...
Make a poster showing integration of all major metabolic routes in a liver cell. Need to draw all the major metabolic routes that a typical mammalian hepatocyte is capable of carrying out such as glycolysis, gluconeogenesis, glycogenesis, glycogenolysis, pentose phosphate pathway, citric acid cycle, oxidative phosphorylation, beta oxidation, ketone bodies, fatty acid synthesis, TAG and PL synthesis, cholesterol synthesis, urea cycle, amino acid breakdown and synthesis, nucleotide breakdown and synthesis. Include structures of substrates and products, and names of enzymes...
QUESTION 45 Which of the following is a catabolic process that takes place only in the...
QUESTION 45 Which of the following is a catabolic process that takes place only in the absence of oxygen? O fermentation glycolysis electron transport / oxidative phosphorylation citric acid cycle QUESTION 46 Which of the following is the name of a metabolic pathway that uses glucose to produce ribose-5-phosphate and the reducing coenzyme, NADPH? oxidative deamination glycolysis the pentose phosphate pathway gluconeogenesis fermentation QUESTION 47
Cancer uses aerobic glycolysis to provide intermediates for cell division. Find a total of five mutations...
Cancer uses aerobic glycolysis to provide intermediates for cell division. Find a total of five mutations in any of the following processes: glycolysis/gluconeogenesis, cellular respiration (citric acid cycle, ETC and ATPase) or other processes that promote aerobic glycolysis. What is the normal function of the gene product (enzymes or regulators), how does the mutation promote aerobic glycolysis and if known, which type of cancer(s) do you see the mutation?
1. What is happening in a healthy individual about an hour into a glucose tolerance test? (Note: At this early time-poin...
1. What is happening in a healthy individual about an hour into a glucose tolerance test? (Note: At this early time-point, blood glucose levels are still high. Also, remember that a person who is taking a glucose tolerance test was fasting for 12 hours prior to the test!) (Select ALL that apply!) Hint: Review pages 319-325, 462-467 and 489-491 of Tymoczko 3E before attempting this question. A. Glucose is being exported by the liver B. Glucose is being taken up...
D Question 30 Soveral hours after a meal, the brain uses During starvation, the brain uses...
D Question 30 Soveral hours after a meal, the brain uses During starvation, the brain uses as fuel. glucose from glycogen stored in the brain ketone bodies produced in the heart glucose from olycogen stored in the liver kolone bodies produced in the liver glucose from glycogen stored in the muscles kotone bodo produced in the liver fatty acids from adipose tissue glucose from gluconeogenesis in the liver D Question 31 Question 2 pts Which of the following enzyme pairs...
5. As indicated in the KEGG pathways for fatty acid degradation and biosynthesis which pathway does NOT use acetyl-CoA as a substrate? A. citric acid cycle B. butanoate metabolism C. fatty acid b...
5. As indicated in the KEGG pathways for fatty acid degradation and biosynthesis which pathway does NOT use acetyl-CoA as a substrate? A. citric acid cycle B. butanoate metabolism C. fatty acid biosynthesis D. glycolysis 6. Which statement is consistent with the comparison of fatty acid biosynthesis in humans and in Helicobacter pylori 2017? A. Both organisms use the same multifunctional enzyme B. Humans use separate proteins to catalyze each step, while H. pylori 2017 uses one multifunctional enzyme to...
Glycolysis and gluconeogenesis are concurrent and complementary metabolic pathways. Which of the following IS NOT TRUE a) glycolysis and gluconeogenesis regulate the availability of glucose in the cell b) all enzymes and intermediates used in glycolysis and gluconeogenesis are the same, glucose, respectively anabolizes acetyl-CoA and pyruvate to glucose. fructose 16P into fructose 6P (final step) in gluconeogenesis uses pathway specific ) glycolysis catabolizes glucose to pyruvate and acetyl-CoA and gluconeogenesis d) the conversion of pyruvate into phosphoenolpyruvate (first step)...
28. Which one of the following statements is true? a) The brain b) Muscle cannot use fatty acids as an energy source. c) The brain exports ketone bodies as fuels for other tissues d) Fatty acids cannot be used as an energy source in humans e) as an energy source, but can use ketone bodies enzymes of the Glyoxylate cycle Heart muscle stores fuel as glycogen. 29. An intermediate found in gluconeogenesis and not in glycolysoxaloacetate a) 2-phosphoglycerate b) phosphoenolpyruvate...
QUESTION 45 Which of the following is a catabolic process that takes place only in the absence of oxygen? O fermentation glycolysis electron transport / oxidative phosphorylation citric acid cycle QUESTION 46 Which of the following is the name of a metabolic pathway that uses glucose to produce ribose-5-phosphate and the reducing coenzyme, NADPH? oxidative deamination glycolysis the pentose phosphate pathway gluconeogenesis fermentation QUESTION 47
D Question 30 Soveral hours after a meal, the brain uses During starvation, the brain uses as fuel. glucose from glycogen stored in the brain ketone bodies produced in the heart glucose from olycogen stored in the liver kolone bodies produced in the liver glucose from glycogen stored in the muscles kotone bodo produced in the liver fatty acids from adipose tissue glucose from gluconeogenesis in the liver D Question 31 Question 2 pts Which of the following enzyme pairs...
5. As indicated in the KEGG pathways for fatty acid degradation and biosynthesis which pathway does NOT use acetyl-CoA as a substrate? A. citric acid cycle B. butanoate metabolism C. fatty acid biosynthesis D. glycolysis 6. Which statement is consistent with the comparison of fatty acid biosynthesis in humans and in Helicobacter pylori 2017? A. Both organisms use the same multifunctional enzyme B. Humans use separate proteins to catalyze each step, while H. pylori 2017 uses one multifunctional enzyme to...
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