9. Facilitated diffusion is often used to transport Alons
B. molecules that are not soluble in lipids,
C. molecules that are too small to diffuse
across the membrane.
D. both A and B.
E all of the above.

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids