Mmsc490 Exam 3 2023 (A+ Graded)
The plasma membrane barrier to passive diffusion is primarily a function of the membrane's a. phospholipids b. cholesterol c. proteins d. glycoprotein correct answers a mammalian erythrocytes (red blood cells) are particularly useful for studies of the plasma membrane because.. a. they have few peripheral proteins b. they have only one membrane, the plasma membrane c. their plasma membrane is not associated with a cytoskeleton d. their plasma membrane contains no cholesterol correct answers b Gorter and Grendel's classic experiment allowed them to observe that the erythrocyte plasma membrane contains _______ the surface area of the erythrocytes a. enough lipid to occupy a monolayer equal to b. enough lipid to occupy a monolayer equal to twice c. less lipid than would occupy a monolayer equal to d. enough lipid to occupy a monolayer equal to one-half correct answers b Plasma membrane glycolipids are found a. exclusively in the inner leaflet b. exclusively in the outer leaflet c. equally distributed between the inner and outer leaflets d. only on the basal surface of epithelia correct answers b
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- 5 de febrero de 2024
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- 2023/2024
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