Nerve impulses.

IB Biology: Nerve impulses.

Name three different roles of integral proteins in cell membranes.Can you think of two examples of molecules which have an electrical charge?How could an integral protein in a neurone plasma membrane cause a different number of charged molecules in the cytoplasm on the inside of a neurone compared to the fluid outside the membrane (an electrical potential across the membrane).Review the introductory slides about the...

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