The type of motion least common in biological membranes is:

A. flip-flop diffusion of phospholipid from one monolayer to the other.
B. lateral diffusion of individual lipid molecules within the plane of each monolayer.
C. lateral diffusion of membrane proteins in the bilayer.
D. random motion of the fatty acyl side chains in the interior of the phospholipid bilayer.


Answer: A. flip-flop diffusion of phospholipid from one monolayer to the other.

Biology & Microbiology

You might also like to view...

At which site on the DNA of a gene does RNA polymerase release its newly made RNA?

A. stop codon B. promoter C. terminator D. TATA box E. poly-A tail

Biology & Microbiology

A population of mice shifting from light-colored coats to darker coats is displaying the effects of _____ selection

A. Artificial B. Disruptive C. Directional D. Sexual E. Stabilizing

Biology & Microbiology

Molecular chaperones are proteins that mediate the folding process of:

a. other proteins. b. amino acids. c. lipids. d. DNA. e. sugars.

Biology & Microbiology

Distinct regions of a protein that fold independently of one another are called:

A) domains B) alpha helices C) amino acids D) hydrophobic E) side chains

Biology & Microbiology