Which of the following factors does not affect membrane permeability?
a. temperature
b. the amount of cholesterol in the membrane
c. the polarity of membrane phospholipids
d. the saturation of hydrocarbon tails in membrane phospholipids
Answer: c. the polarity of membrane phospholipids
You might also like to view...
What kinds of solutes move straight through the plasma membrane easily and unassisted?
a. small polar molecules b. small nonpolar molecules c. ions d. large polar molecules
Small doses of ionizing radiation over a long period of time cause less damage because
a. they are too low to affect cells. b. they don't hit as many targets. c. the body has time to repair damaged DNA. d. the radiation is absorbed by macrophages. e. the radiation is absorbed by red blood cells.
The axon branches of a typical neuron terminate at structures called
A) synapses. B) boutons. C) glia. D) nodes of Ranvier. E) the myelin sheath.
bolus
What will be an ideal response?