ribosome Hear it!

ribosome definition

ribo·some (rī′bə sōm′)

noun

a minute, spherical particle composed of RNA and proteins and present in great numbers in the cytoplasm of cells: proteins are manufactured at the ribosomal surface following genetic instructions carried there by messenger RNA

Etymology: < ribose + -some

Related Forms:

  • ribosomal ri′·bo·so′·mal (-sō′məl) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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