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

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

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

As the concentration gradient of a solute molecule increases, _____.Group of answer choicesthe rate of diffusion increaseschange in rate of diffusion is unaffectedthe rate of diffusion decreaseschange in rate of diffusion is unpredictableNext

If particles are moving from HIGH to LOW concentration across a membrane, then they are moving ______ the concentration gradient.Group of answer choicesUpAgainstWithnone of these are correct

When comparing the diffusion rate of a substance at differing concentrations within a liquid, _____.Group of answer choicesthe diffusion rate will increase with a lower solute concentrationthe diffusion rate for the substance is the same for all concentrationsthe diffusion rate will decrease with a lower solute concentrationthe diffusion rate will decrease with a higher solute concentrationNext