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- 1.. Discuss how the inability to synthesize insulin and glucagon would impact lipid and/or carbohydrate metabolism.1)Explain how gluconeogenesis ang glucogenolysis are regulated to maintain blood glucose levels during fasting1.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?
- In the regulation of gluconeogenesis during fasting, which of the following decreases? a. Release of fatty acid from adipose tissue b. Fatty acid oxidation in the liver c. Blood glucose levels d. AcetylCoA in the liver1.if the human body is stressed, glucocorticoids: a decrease potassium secretion from the kidneys. b. decrease glucose uptake by cells in the nervous system. c. increase the amount of sodium reabsorbed from urine in the kidneys d. inhibit the synthesis of glucose from noncarbohydrate sources. e promote the breakdown of proteins in the muscles and bones.1. Why the 32 year old age pregant is taking oral antidiabetic drug instead of insulin (her blood sugar is 180mg/dl and her serum glucose level has maintained with metformin)
- During the fed state, which of the following occur(s)? a) insulin stimulation of malonyl CoA formation b) allosteric inhibition of carnitine acyltransferase I c) both a and b d) neither a nor b2.A person did not get food for 3 days and had lost his weight, ketone bodies were revealed in urine. To explain this: a)describe the main metabolic pathways providing energy for the liver cells during starvation and explain its regulation; b) discuss the hormonal changes; c)predict the deleterious effect of prolonged starvation.Liver NADH increases gluconeogenesis. How do you interpret this?
- Glucagon facilitates the adaptation of our body to fasting. Which enzymes of glucides (carbohydrates) metabolism are regulated, directly or undirectly, in response to the secretion of glucagon by pancreas?.Explain the differences between a) glycogenolysis, b) gluconeogenesis, and c) glycogen synthesis. Mention what hormone(s) have a direct effect on each process.When glycogen is broken down into glucose, the process is called O glycogenesis. O gluconeogenesis. O glucagon production. O lactate production. O glycogenolysis.