essential amino acid
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Definition(s):
- (n) an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
Usage(s):
- The gene's specific job is to produce a protein that enables cells to utilize an essential amino acid called tryptophan.
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languish
/ˈlæŋɡ wɪʃ /
/ˈlæŋɡ wɪʃ /