Ribosome Definition

rībə-sōm
ribosomes
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.
Webster's New World
Ribosome gets its name from "ribonucleoprotein particles" and "microsomes" which are both particles inside the cell. Richard B. Roberts suggested "ribosome" in 1958.
YourDictionary
In 1955, George Palade, a cell biologist, along with Philip Siekevitz, discovered ribosomes and identified their function as making proteins.
YourDictionary
Ribosome refers to ribonucleoprotein particles in sizes ranging from 35 to 100S.
An example of a ribosome is one of the particles located outside of a cell that helps build proteins.
YourDictionary
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Other Word Forms of Ribosome

Noun

Singular:
ribosome
Plural:
ribosomes

Origin of Ribosome

  • ribo(nucleic acid) –some

    From American Heritage Dictionary of the English Language, 5th Edition

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