bioquiz2 - C. facilitating lateral diffusion of proteins in...

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Question 1 of 4 2.0 Points If the concentration of calcium ions in the cytoplasm is 0.5 mM and the concentration of calcium ions in the extracellular environment is 2 mM, how can the cell lower the cytoplasmic concentration of calcium ions? A. Passive diffusion B. Facilitated diffusion C. Active transport D. Osmosis E. Any of the above Question 2 of 4 2.0 Points The function of many membrane carbohydrates is for A. cell-cell recognition
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B. transport of solutes across the membrane
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Unformatted text preview: C. facilitating lateral diffusion of proteins in the plane of the membrane D. transport of water molecules across the membrane Question 3 of 4 2.0 Points Water can freely and rapidly diffuse across lipid bilalyer membranes with no membrane proteins. A. True B. False Part 1 of 1 - Question 4 of 4 2.0 Points Cholesterol in low-density lipoproteins enters cells by A. exoc ytosi s B. pinoc ytosi s C. phag ocyto...
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bioquiz2 - C. facilitating lateral diffusion of proteins in...

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