Multiple ChoiceWhich of the following molecules is most likely to cross a cell membrane by simple diffusion rather than facilitated diffusion?37views
Multiple ChoiceWhich form of cellular transport moves substances against the concentration gradient?77views
Multiple ChoiceWhich of the following best describes the main difference between passive and active transport across a cell membrane?64views
Multiple ChoiceHow do facilitated diffusion and active transport differ in terms of energy usage?375views
Multiple ChoiceWhich of the following best describes the main difference between passive diffusion and facilitated diffusion across a cell membrane?53views
Multiple ChoiceHow does particle size affect a molecule's ability to transport across a cell membrane?335views
Multiple ChoiceWhich of the following is a passive mechanism used to move materials into and out of the cell?319views