Kaplan Biochemistry: Chapter 8 Biological Membranes

Question 1

instead of a cholesterol fluidity buffer, what does the inner mitochondrial membrane have instead?

Answer 1

it does not have a cholesterol-fluidity buffer. Instead, it has cardiolipin.

Question 2

micelle vs liposome

Answer 2

micelle: monolayered vesicle
liposome: bilayered vesicle

Question 3

similarity between sphingolipids

Answer 3

does not contain glycerol, but also has two fatty acid tails.

Question 4

desmosomes utilize ____ ____ to connect -__ layers of cells together

Answer 4

uses INTERMEDIATE FILAMENTS to connect EPITHELIAL LAYERS.

Question 5

osmotic pressure is a ____ property and is dependent on the concentration of dissolved particles.

Answer 5

colligative property.is NOT dependent on chemical identity.

Question 6

outline the Nernst equation

Answer 6

used to determine the membrane potential from intra and extracellular concentrations of various ions

En = (RT/zf)ln[A-outside]/[A-inside]