why is it important that the cells in the body receive a constant level of glucose?
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Glucose is a primary source of energy for the body's cells, particularly for the brain and muscles. It is essential for cellular respiration, which produces ATP (adenosine triphosphate), the energy currency of the cell. Show more…
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Why is it so important that blood glucose levels be maintained within a narrow range? what is bad about having too much or too little glucose in the blood? How are insulin and glucagon involved in regulating the concentration of glucose in the blood?
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Proper blood glucose levels are necessary to maintain cellular function, because glucose is fuel for cells. Glucagon is an important component of blood glucose homeostasis, which is maintained by a negative feedback loop. Describe the role of glucagon in blood glucose homeostasis. a. When blood sugar is low, glucose and ATP produce glycogen. Excess blood sugar stimulates the release of glucagon, which in turn stimulates glycogen release to increase blood glucose levels. b. When there is excess blood sugar, excess glucose and ATP produce glucagon. A drop in blood glucose level stimulates the release of glycogen, which in turn stimulates glycogen release to increase blood glucose levels. c. When there is excess blood sugar, the excess glucose and ATP produce glycogen. A drop in blood glucose level stimulates the release of glucagon, which in turn stimulates the release of glycogen to increase blood glucose levels. d. When there is excess blood sugar, the excess glucose and ATP produce glycogen. A drop in blood glucose level stimulates the release of glucagon, which in turn releases more glucagon to increase blood glucose levels.
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