EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Textbook Question
Chapter 46, Problem 5TY
Insulin primarily regulates the blood glucose concentration by
- a. stimulating the recruitment of GLUTs from the cytosol to the plasma membrane for transport of glucose from extracellular to intracellular fluid.
- b. stimulating gluconeogenesis.
- c. suppressing glucose uptake by muscle tissue.
- d. stimulating the release of glucose from glycogen reserves in the liver.
- e. inhibiting the synthesis of new GLUTs
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Based on your understanding of the binding of insulin, select all of the following events that you would expect to occur in muscle cells due to insulin binding to receptors.Group of answer choices
a. Glycogen synthesis is activated
b. PFK is stabilized in the R-state and glycolysis is activated
c. GLUT4 (transporters) are increased in concentration at the plasma membrane
d. Fructose 2,6-bisphosphate increased levels aid in stabilization of the T-state fructose 1,6-bisphosphatase
e. Gluconeogenesis is activated in response to elevated fructose 2,6-bisphosphate levels
f. Phosphorylation cascades allow for covalent modifications that would aid in the breakdown of glycogen to allow for increased levels of glucose 6-phosphate in the cell
g. Hexokinase is inhibited so glucose will not be brought into the cell in high amounts
h. Glycogen breakdown pathway is inactivated
Which of the following statements about insulin istrue?a. Insulin acts as a transport protein, carryingglucose across the cell membrane.b. Insulin facilitates the movement of intracellularglucose transporters to the cell membrane.c. Insulin stimulates the breakdown of storedglycogen into glucose.d. Insulin stimulates the kidneys to reabsorbglucose into the bloodstream
Define the following terms: a. hyperosmolar hyperglycemic nonketosis b. insulin resistance c. JNK d. PKCθ e. PKCε
Chapter 46 Solutions
EBK BIOLOGY
Ch. 46.2 - Prob. 1CCCh. 46.2 - Prob. 1BCCh. 46.2 - Prob. 2CCCh. 46.3 - Prob. 1CCCh. 46.3 - Can the relationship between body size and...Ch. 46.3 - What observation led to the experiments conducted...Ch. 46.3 - CoreSKILL How did the experimental linking of the...Ch. 46.3 - Prob. 3EQCh. 46.4 - Prob. 1CCCh. 46 - Prob. 1TY
Ch. 46 - Gluconeogenesis a. occurs when the liver...Ch. 46 - Prob. 3TYCh. 46 - Prob. 4TYCh. 46 - Insulin primarily regulates the blood glucose...Ch. 46 - Prob. 6TYCh. 46 - Prob. 7TYCh. 46 - Prob. 8TYCh. 46 - Prob. 9TYCh. 46 - Prob. 10TYCh. 46 - Prob. 1CQCh. 46 - Prob. 2CQCh. 46 - Prob. 3CQCh. 46 - Prob. 1COQCh. 46 - Prob. 2COQ
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