Principles of Life for the AP Course (2nd Edition)

Published by W. J. Freeman
ISBN 10: 1464156417
ISBN 13: 978-1-46415-641-0

Chapter 5 - Section 5.4 - Large Molecules Cross Membranes via Vesicles - Apply The Concept - Page 95: 1

Answer

If the albumin was made in the liver but is in higher concentrations in the plasma it was likely moved here through passive transport, but it would need a protein channel to do this as albumin is a large molecule that cannot diffuse through the phospholipid layer.

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