Cell membranes, which form an effective barrier to the passage of ...

[Jipu 123]

Cell membranes, which form an effective barrier to the passage of ions and other components into and out of the cell, are:
  a.
  fatty acid esters
  b.
  tricacylglycerols
  c.
  lipid bilayers
  d.
  micelles

Question 2

When soaps disperse in water, the long hydrocarbon tails cluster together in a hydrophobic ball, while the ionic heads on the surface of the cluster stick out into the water. These spherical clusters are called:
  a.
  fatty acid esters
  b.
  triacylglycerols
  c.
  lipid bilayers
  d.
  micelles

[mmj22343]

Answer to Question 1

c

Answer to Question 2

d

[Jipu 123]

Wow, this really help

[scottmt]

Thanks for the timely response, appreciate it