Multiple ChoiceWhich of the following best distinguishes active transport from passive transport across a cell membrane?92views
Multiple ChoiceIf sodium (\(\mathrm{Na^+}\)) does not move down its concentration gradient in a co-transport pump (such as the sodium-glucose symporter), what would be the likely outcome?89views
Multiple ChoiceWhich type of transport across the plasma membrane involves the use of carrier proteins?342views
Multiple ChoiceWhich homeostatic process requires energy to move particles across the plasma membrane?134views
Multiple ChoiceIn what ways is active transport different from passive transport across a cell membrane?118views
Multiple ChoiceWhich of the following best describes the force driving simple diffusion across a biological membrane?87views
Multiple ChoiceWhich of the following statements correctly describes a similarity and a difference between facilitated diffusion and active transport?394views
Multiple ChoiceDuring active transport, in which direction do particles move across a cell membrane?118views
Multiple ChoiceWhich of the following molecules is most likely to cross a cell membrane by simple diffusion rather than facilitated diffusion?79views