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- 1.a. Given what you know about glycolysis and gluconeogenesis, does it make sense that insulin activates PDH phosphatase? Why? b.How do vitamins increase to the breadth of chemical reactions available within a biological system?7. Which of the following statements about gluconeogenesis is CORRECT? Select one: a. Glucose-6-phosphatase hydrolyzes glucose 6-phosphate to release glucose into the blood. b. Glucose-6-phosphatase hydrolyzes glucose 6-phosphate and is found in liver and muscle. c. Fructose-1,6-biphosphatase converts fructose-1,6-bisphosphate into fructose-1-phosphate. d. Pyruvate is first converted to phosphoenolpyruvate by phosphoenolpyruvate carboxykinase.Indicate what will happen ( increase, decrease or no effect) tothe activity of the enzyme or rate of the metabolic pathway in the given conditions a. release of glucagon in the blood to the activity of carnitine acyl transferase 1 b. high malonyl CoA to the activity of carnitine acyl transferase I C. Epinephrine to the activity og glycogen synthase d. high citrate to the activity of acetyl CoA carboxylase e. high acetyl CoA to ketogenesis
- What is the effect of a defective a(1→ 4) phosphatase in Pompe's disease (GSD II)? O Accumulation of abnormal, unbranched glycogen, leading to heart or liver failure and short fife expectancy O Glycogen accumulation in heart, leading to heart failure, muscle weakness, short life expectancy O Absence of UDP-glucose conversion to glycogen, leading to lack of muscle glycogen, exercise intolerance Glycogen accumulation due to lack of glucose-6-phosphate conversion to glucose, leading to liver enlargement, hypoglycemia, short life expectancy O Lack of complete degradation of glycogen to glucose. leading to mild hypoglycemia, enlarged liver and muscle weakness Submit Request AnswerA deficiency in sorbitol dehydrogenase cause all of the following except: Select one: O a. pathologic alternations related to Diabetes mellitus b. no lactose synthesis O c. lack of sperm motility O d. no fructose synthesisIn 3-4 sentences, briefly explain how lactate is formed, the biological effect of lactate, and explain the biochemical process and path for conversion of lactate. 3. The hormones glucagon, epinephrine, and insulin, can regulate blood glucose levels to protect the brain. For each one provide a short explanation as to whether it raises or lowers glucose how it does this, and indicate whether it is metabolic or catabolic.
- CHOOSE THE CORRECT LETTER When glycogen is synthesized in both the liver and muscle, all the following are true, EXCEPT A.Glucose is transferred from UDP-glucose to a growing glycogen molecule by glycogen synthase.B. Phosphoglucomutase converts glucose 6-phosphate to glucose 1-phosphateC. Glucose 6-phosphate is converted to glucose by a phosphatase.D.Glucose 1-phosphate is activated by UDP-glucose pyrophosphorylase to produce UDP-glucose and PPi.1. Draw a detailed labelled diagram and discuss the hormonal (epinephrine orglucagon) regulation of glycogen phosphorylase. 2. Provide your own diagrammatic representation for the entry of any TWOcarbohydrates: mannose or lactose or sucrose or glycerol into the glycolyticpathwaya man with depressive disorder is contributed in drug study that inhibit the b2 conversion to its active co-enzyme. which metabolic process is impaired in result of treatment. 1 production of Ribose 5 Phosphate from g6p. 2. Beta oxidation of palmitate to co2 3 conversion of glucose to lactate 4. breakdown of glycogen to glucose 5. synthesis of urea from alanin please explain your asnwer
- What effect is observed on the rate of gluconeogenesis under each of the following conditions? a. low ATP concentrationc. high carbohydrate diet b. low ADP concentrationd. low carbohydrate diet28. functional insulin required the association of two polypeptides known as the A and B chains1. Gluconeogenesis and glycolysis are reciprocally regulated by a. NADPH b. AMP c. glucose-1-phosphate d. oxaloacetate e. Fructose-1,6-bisphosphate 2. The enzymes of glycolysis and gluconeogenesis that show reciprocal, allosteric regulation by citrate are a. Glucose-6-phosphatase b. lactate dehydrogenase c. Hexokinase d. phosphofructokinase-1 and Fructose 1,6 bisphosphatase-1 I'm studying for practice problems but teacher is not providing solution until right before the exam so I need your help