9. Water moves across a cell membrane through a channel protein, whereas glucose moves across a cell membrane via a carrier protein. Which statement provides a valid comparison of these two membrane transport systems? 田 Glucose moves in a direction from high to low concentration, while water moves in a direction that is not governed by differing solute concentrations. Water transport OCcurs without the cell using energy, whereas glucose transport requires energy input by the cell. A cell can add more sites for water transport to increase water movement across the membrane but cannot achieve the same result for glucose using a similar strategy. Several water molecules move one after the other through the opening provided by a channel protein, while glucose is transported across the membrane via a carrier protein one molecule at a time. Genetic mutations can alter glucose transport into a cell but cannot alter water transport.
9. Water moves across a cell membrane through a channel protein, whereas glucose moves across a cell membrane via a carrier protein. Which statement provides a valid comparison of these two membrane transport systems? 田 Glucose moves in a direction from high to low concentration, while water moves in a direction that is not governed by differing solute concentrations. Water transport OCcurs without the cell using energy, whereas glucose transport requires energy input by the cell. A cell can add more sites for water transport to increase water movement across the membrane but cannot achieve the same result for glucose using a similar strategy. Several water molecules move one after the other through the opening provided by a channel protein, while glucose is transported across the membrane via a carrier protein one molecule at a time. Genetic mutations can alter glucose transport into a cell but cannot alter water transport.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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