Which of the following cell transport processes would be relatively unaffected if a cell no longer had access to glucose?
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- Glucose is a primary source of energy for many cellular processes, including active transport mechanisms that require ATP (adenosine triphosphate) as an energy source. These processes would be significantly affected if glucose were no longer available. Show more…
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During cell respiration, the reactants of glucose and oxygen are transformed into the products of carbon dioxide, water, and ATP. Which of the following cell transport processes would be relatively unaffected if a cell no longer had access to glucose? Choose 1 answer: A. The passive transport of a charged potassium ion (K+) through a cell membrane. B. The transport of sodium against its concentration gradient in a brain cell. C. The transport of calcium into a muscle cell via facilitated diffusion. D. The transport of an amino acid into an intestinal cell from an area of low concentration to an area of high concentration gradient.
Sri K.
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Based on the two-step model of glucose transport, what would happen if the supply of ATP was depleted from the cell? The sodium-potassium pump would make less of a sodium gradient, but it would have no effect on the glucose transport. The sodium-potassium pump would be unaffected, and therefore, there would be no effect on glucose transport. The sodium-potassium pump would make less of a sodium gradient, so less glucose could be transported across the membrane. The sodium-potassium pump would be unaffected, but the rate of glucose transport would increase.
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