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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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I need help with this questions please!

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The plasma membrane consists of both phospholipids and proteins. Oxygen (02) and carbon dioxide (cO2) can readily pass through the plasma membrane,
but water (H2O) requires a transport protein, called an aquaporin, to cross the membrane in the great quantities required by cells. Why is a transport protein
needed to transport H20, but 02 and CO2 can pass through without a protein?
Transcribed Image Text:The plasma membrane consists of both phospholipids and proteins. Oxygen (02) and carbon dioxide (cO2) can readily pass through the plasma membrane, but water (H2O) requires a transport protein, called an aquaporin, to cross the membrane in the great quantities required by cells. Why is a transport protein needed to transport H20, but 02 and CO2 can pass through without a protein?
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