Questions and Answers
What is the primary mechanism by which nonpolar molecules move through the plasma membrane?
Simple diffusion through the double phospholipid layers
Which of the following is a characteristic of active transport?
Movement of molecules against their concentration gradients
What is the primary force that pushes water out of the capillary into the tissues?
Hydrostatic pressure
What is the primary cause of oedema?
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What is the role of the synapse in nerve transmission?
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Which of the following ions is involved in the nerve action potential?
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