The father's phenotype(physical trait) is wet earwax and the mother's phenotype is wet earwax as well.
1) A
2) B
3) B
4) C
5) B
6) C
7) D
8) B
9) A
10) A
By definition: Facilitated diffusion<span> is the process of spontaneous passive transport of molecules or ions across a cell's membrane via specific transmembrane integral proteins.~Google
An example, the only I can really think of:
Polar and large molecules normally can't cross the lipid bi layer using simple diffusion, it usually has to be </span>Facilitated diffusion