1. What is the main role of carbohydrates in the cell membrane a. Ac.pdf

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1. What is the main role of carbohydrates in the cell membrane? a. Act as a receptor or identifier. b. Stabilize the fluidity of the membrane. c. Bond to the phospholipid bilayer for support. d. Facilitate molecule transport. 2. Passive transport is: a. The movement of molecules through a membrane against their concentration gradient. b. A natural force which will continue until dynamic equilibrium is reached between two solutions. c. The pinching in of the plasma membrane around small droplets of extracellular fluid. d. Used by all small molecules that go through the cell membrane. 3. Which of the following structures help to regulate the fluidity of the cell membrane during temperature fluxes? a. Glycoproteins b. Cholesterol molecules c. Peripheral proteins d. Phospholipid bilayer 4. Which of the following describes the movement of water particles into a cell? a. Passive transport b. Phagocytosis c. Osmosis d. Exocytosis.

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