Multiple Choice
Which of the following variables directly affect the rate of diffusion across a membrane?
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6. The Membrane
Concentration Gradients and Diffusion
Back6. The Membrane
Concentration Gradients and Diffusion
- Multiple ChoiceWhich example best demonstrates diffusion?150views
- Multiple ChoiceWhich factor primarily determines the direction of diffusion across a cell membrane?190views
- Multiple ChoiceWhat role do transport proteins play in the process of facilitated diffusion across a cell membrane?650views
- Multiple ChoiceHow does particle size affect a molecule's ability to move across a cell membrane?337views
- Multiple ChoiceWhich of the following does NOT affect the rate of diffusion across a membrane?203views
- Multiple ChoiceWhich of the following best describes the process of diffusion?206views
- Multiple ChoiceWhich of the following best describes a concentration gradient?230views
- Multiple ChoiceWhy is diffusion important to cells?600views
- Multiple ChoiceWhich of the following is least likely to increase the rate of diffusion across a cell membrane?224views
- Multiple ChoiceWhich of the following cube-shaped cells would be most efficient in removing waste by diffusion?315views
- Multiple ChoiceHow does the difference in concentration affect the rate of diffusion of oxygen across a membrane?203views
- Multiple ChoiceWhich of the following factors affects the rate of diffusion across a membrane?154views
- Multiple ChoiceHow does a substance typically cross the cell membrane during diffusion?110views
- Multiple ChoiceWhy does diffusion occur in biological systems?206views