#Question id: 2155
#Unit 2. Cellular Organization
Cholesterol is
a. unrelated to any plant lipids.
b. not found in chloroplast membranes.
c. encoded by an intron-containing gene on chromosome 23.
d. relatively abundant in the plasma membrane and endocytic membranes.
e. synthesized in the ER.
#Question id: 2156
#Unit 2. Cellular Organization
Proteins known to be involved in Golgi apparatus independent transport of lipids include
a. StAR protein.
b. Neimann-Pick C1 (NPC1) protein.
c. HMG CoA reductase.
d. acyl:cholesterol acyl transferase (ACAT).
e. cholesterol 7α-hydroxylase.
#Question id: 2157
#Unit 2. Cellular Organization
Which of the following is not a metabolic derivative of cholesterol?
a. dolichol
b. vitamin D
c. bile acids
d. v-SNARE molecules
e. NSF
#Question id: 2158
#Unit 2. Cellular Organization
Which of the following factors increase(s) the rate of simple (passive) diffusion of a solute across a phospholipid bilayer?
#Question id: 2159
#Unit 2. Cellular Organization
A channel protein
#Question id: 2160
#Unit 2. Cellular Organization
An artificial membrane composed only of phospholipids has significant permeability to