Cysteine
<p>June 9, 2019, 6:36 PM</p>
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<p>semiessential; proteinogenic AA....</p>
<p>encoded by two codons UGU and UGC.</p>
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<p>may be essential in the elderly and in malabsorption.</p>
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<p>found in high protein foods; meat; </p>
<p>also in onions, broccoli, brussel sprouts, </p>
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<p>cysteine is required by sheep to produce wool! </p>