Question

The Cell membrane contains
A) a double layer of fatty acid tails and phosphate heads
B) cholesterol
C) protein channels or pores
D) a and b
E A,B, and C

Answer 1

Its E. the cell membrane contains a double layer of fatty acid tails and phosphate heads which allow for diffusion to take place, the protein channels are there for more complex molecules to pass through the membrane and cholesterole is there to prevent cell from freezing ( like a layer of fat )