facilitated diffusion

Main Entry:  facilitated diffusion
Part of Speech:  n
Definition:  in cell biology, a process by which substances are transported across cell membranes by means of protein carrier molecules; also called facilitated transport
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Facilitated diffusion is always a great word to know.
So is meiosis. Does it mean:
a small sac or cyst.
part of the process of gamete formation, consisting of chromosome conjugation and two cell divisions, in the course of which the diploid chromosome number becomes reduced to the haploid.
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