According to the fluid mosaic model, the plasma membrane consists primarily of a bilayer of mobile phospholipid molecules studded with an ever-changing mosaic pattern of proteins
Indicate whether the statement is true or false
T
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Sweat glands are endocrine glands.
Answer the following statement true (T) or false (F)
The net transfer of water between the interstitial fluid and ICF across the plasma membrane
a. is mainly due to the difference in the osmotic force between the ICF and the interstitial fluid. b. is controlled by the channel proteins in the plasma membrane. c. is primarily due to the difference in the hydrostatic pressure between ICF and the interstitial fluid. d. all these. e. none of these.
The retinal cells that are closest to the vascular layer are the ________
A) rods and cones B) ganglion cells C) bipolar cells
A person with type AB blood receives a transfusion of type O blood. Will there be a transfusion reaction? Why or why not?
A) No: the recipient has no antibodies to antigens A and B, and therefore can receive blood from a type O donor. B) Yes: the recipient must receive blood of the same type as his or her own. C) No: the anti-A and anti-B antibodies of the recipient do not affect the donated blood, because type O blood has no A or B antigens. D) Yes: the anti-A and anti-B antibodies of the recipient clump and hemolyze the donated blood.