BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 47, Problem 3TY
Summary Introduction
Introduction: Several types of
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Untreated diabetes leads the body to mobilize glucose stores and break down fats. If the issue is that blood glucose is too high, why does this happen?
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Chapter 47 Solutions
BIOLOGY-TEXT
Ch. 47.2 - Prob. 1CSCh. 47.2 - Prob. 2CSCh. 47.3 - Can the relationship between body size and...Ch. 47.3 - What observation led to the experiments conducted...Ch. 47.3 - CoreSKILL How did the experimental linking of the...Ch. 47.3 - Prob. 3EQCh. 47.4 - Prob. 1CCCh. 47 - Prob. 1TYCh. 47 - Gluconeogenesis a. occurs when the liver...Ch. 47 - Prob. 3TY
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- Which of the following statements regarding glycogen are true? A. Glucose from glycogen can be metabolized anaerobically B. Approximately 1-2% of muscle weight is glycogen, whereas 10-15% of liver weight is glycogen C. It is faster for the muscle to obtain energy from glycogen than from lipids D. A and B are true E. B and C are true F. Both A, B, and C are truearrow_forwardWhich of the following statements concerning gluconeogenesis is NOT true? a. Gluconeogenesis is to make glucose from glycogen. b. Many of the reactions of gluconeogenesis are glycolytic reactions going in reverse. c. The process of gluconeogenesis consumes ATP. d. The process of gluconeogenesis is regulated by ATP. e. Gluconeogenesis maintains the blood glucose level long after all dietary glucose has been absorbed and oxidized.arrow_forwardWhich of the following statements about insulin is true? a. Insulin acts as a transport protein, cany in g glucose across the cell membrane. b. Insulin facilitates the movement of inti acellular glucose transporters to the cell membrane. c. Insulin stimulates the breakdown of stored glycogen into glucose. d. Insulin stimulates the kidneys to reabsorb glucose into the bloodstream.arrow_forward
- 1. Insulin.....a. Carries glucose into the muscle cellb. signals the muscle cell to take up glucose c. signals the synthesis of glucose in the liver d. carries lactate from the muscle to the liver 2.In the fasting, state, the Liver helps maintain a normal level of blood glucose by: a. Making ketones and storing them for later.b. stopping glycolysis and using alternative fuels for energyc. speeding up glycolysis because it needs energy to make glucose d. Beginning glycogenesis to build up glucose storagearrow_forwardHuman Adipose (Fat) cells: a. store glycogen as a long-term energy reserve b. store triglycerides as a long-term energy reserve c. release triglycerides when the human body is in prolonged “energy deficit” (more calories used than calories eaten) d. increase or decrease the size of their lipid droplet depending on how many calories you eat, but never go away e. store large amounts of NADH to support metabolism during periods when our muscles cannot get enough oxygen to carry out oxidative phosphorylationarrow_forwardWhen there is no enough CTP that binds with aspartate transcarboxylase, the mechanism that takes place is; c. Positive feedback mechanism d. Negative feedback mechanism a. Homeostasis b. Glycolysisarrow_forward
- Glucose must be activated a. The activation process produces 3 ATP. b. In the digestive system before being oxidized in the mitochondria c. In the mitochondria before being oxidized in the cytoplasm d. In the blood before being oxidized in the cytoplasmarrow_forwardWhich of the following statements about glucose metabolism is correct? A. Glucagon increases the rate of glycolysis B. Glycolysis requires NADP+ C. In glycolysis, glucose is cleaved into two three-carbon product D. The end-product of glycolysis in red blood cells is pyruvate E. Glycogen is synthesized in the liver in response to insulin and exported to other tissues for use as a metabolic fuelarrow_forwardThe regulation of the blood glucose level represents an important feedback loop in the hu- man body. After a meal, the blood glucose level becomes elevated, stimulating beta cells of the pancreas to release insulin into the blood. Excess glucose is then converted to glycogen in the liver, reducing blood glucose levels. Which of the following represents the stimulus in this feedback loop? A conversion of glucose into glycogen B с D elevation of the blood glucose level decrease in the blood glucose level release of insulin by the pancreasarrow_forward
- At high energy charge (ATP/AMP ratio) AND low blood glucose levels a. Pyruvate is converted to glucose via gluconeogenesis b. Glycolysis is activated c. Fatty acids are converted to Acetyl-coA d. Gluconeogenesis is inhibitedarrow_forwarde) and fats (adipose) into glucose 37. In any given tissue bed, the intracellular partial pressure of 02 (p02) would be ultimately dependent on: ysis stimul insulin A. the number of cells within that tissue bed B. the level of activity of the cells within the tissue bed C. the amount of 02 within the venules D. All of the above are correct. Enzymesarrow_forwardWhat is the consequence of complete inhibition of all mutases in liver cells?a. Liver cannot provide free glucose to maintain blood glucose levelsb. Free glucose cannot be released from glycogenc. Glycerol cannot be converted to glucosed. The only fate of glucose-6-phosphate is to be converted to fructose-6-phosphatearrow_forward
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