Campbell Biology Test 5 – Chapters 7.1–7.5 Practice Questions and Answers Study Guide 2026 Updated

Campbell Biology Test 5 Chapters 7.1-7.5 Practice Questions and Answers Study Guide Page 1 2026-03-12




Campbell Biology Test 5
Chapters 7.1-7.5 Practice
Questions and Answers
Study Guide




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7..2


Cellular membrane / permeability


1) For a protein to be an integral membrane protein, it would have to be


C) amphipathic, with at least one hydrophobic region


2) A phospholipid bilayer with equal amounts of saturated and unsaturated fatty acids displays a specific permeability
to glucose. What effect will increasing the proportion of unsaturated fatty acids in the bilayer have on the membrane's
permeability to glucose?


A) Permeability to glucose will increase.


3) According to the fluid mosaic model of cell membranes, phospholipids


A) can move laterally along the plane of the membrane


4) The membranes of winter wheat are able to remain fluid when it is extremely cold by


A) increasing the proportion of unsaturated phospholipids in the membrane



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