Problem ll: Below is a liver cell bathed in blood rich in glucose after a meal o

Question

Problem ll: Below is a liver cell bathed in blood rich in glucose after a meal of carbohydrates. Liver cells can move glucose from the ECF across the cell membrane and into the cell using protein pumps, which look like tiny straws in the diagram below. Note that the direction of glucose movement across the cell membrane is from an area of low to high concentration, that is, glucose is moved against the concentration gradient (arrows). The concentrations of glucose (in units of milligrams per deciliter of blood) in the cytoplasm and ECF are given. : AP 100: D.B.Pelletier, Ph. D

Explanation / Answer

16. Active transport

17.yes , it is the movement of molecules across a membrane from a region of their lower concentration to a region of their higher concentration in the direction against the concentration gradient, active transport requires cellular energy to acheive this movement

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