The movement of potassium ions across a membrane aided by valinomycin is an example of _______________.
A)facilitated diffusion by transport through a pore B)facilitated diffusion by transport using a carrier molecule C)facilitated diffusion by use of a permease D)primary active transport since valinomycin is a sodium-potassium ATPase E)secondary active transport since valinomycin only moves with the aid of the sodium ion gradient
Partial hydrogenation accomplishes which of the following?
A)prevents oxidative cleavage of carbon-carbon double bonds,thus preventing spoilage of fats B)raises the melting point of fatty acids C)converts cis double bonds to trans double bonds D)converts oils into fats E)all of the above
Addition of a functional group to the pro-R carbon of glycerol places that group on carbon _____ while addition of a second functional group to the pro-S carbon of glycerol places the second group on carbon _____ of sn-glycerol.