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Medical Term:


Pronunciation: mon'o-mer


  1. The molecular unit that, by repetition, constitutes a large structure or polymer; ethylene, H2C=CH2, is the monomer of polyethylene, H(CH2)nH.
  2. The protein structural unit of a virion capsid.
  3. The protein subunit of a protein composed of several loosely associated such units, usually bound noncovalently.

See: virion

[mono- + -mer]

See Also: subunit1

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