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.
Ans: b. exclusively in the outer leaflet.
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Antibody molecules are very rigid in structure
Indicate whether this statement is true or false.
The vision loss associated with glaucoma is most accurately explained by
A. loss of photoreceptors in and around the fovea. B. protein accumulation in the lens. C. detachment of the retina from the outer part of the eye. D. intraocular pressure buildup due to poor drainage of the aqueous humor. E. poor control of extraocular muscles.
The ability of a solution to resist changes in pH depends on its ____________________ capacity
Fill in the blank(s) with the appropriate word(s).
Classification.The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements.
A. Theseform a dynamic scaffold for cellular processes. B. These make up the cell cortex. C. These fine fibers function in contraction. D. Theseare the most stable cytoskeletal elements. E. These molecules function like cellular freight trains. F. The coordinated movement of many of these stirs fluid around some cells. G. This is a very visible structure in human sperm. H. This structure is elongated by microfilaments. I. These temporary structures allow cells to engulf targets.