Simple diffusion is the movement of molecules from areas of ______ concentration to areas of ______ concentration.Multiple choice question.lower; lowerhigher; lowerhigher; higherlower; higher

.The molecule that diffuses down a concentration gradient moves from an area of ____concentration into an area of _____concentration.a.high, low                                      b.low, highc.passive, active

Which of the following is true about diffusion?Multiple choice question.Molecules move against their concentration gradients.Molecules move down their concentration gradients.

The spontaneous movement of a substance from an area where it is more concentrated to an area where it is less concentrated is called ______.Multiple choice question.active transportdiffusionionizationendocytosis

Diffusion is the net (overall) movement of particles from an area of high concentration to an area of lower concentration.Question 4Answera.Falseb.True

The difference between simple diffusion and facilitated diffusion is that facilitated diffusionQuestion 17Answera.moves materials from a higher to a lower concentration.b.moves materials from a lower to a higher concentration.c.requires transporter proteins.d.requires ATP.