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aminoacizi
Aminoacizii sunt compuşii organici în care apar simultan grupe amino şi grupe carboxil şi se împart, după structura lor, în două clase: alifatici şi aromatici. În moleculele aminoacizilor aromatici, ambele grupe funcţionale sunt legate de un inel aromatic. Dintre aminoacizii alifatici, cei mai importanţi, prin răspândirea lor în natură sunt α-aminoacizii. Formula generală a unui α-aminoacid este:
Există 20 de aminoacizi naturali, care intră în constituirea proteinelor (poliamide naturale).
aminoacizi
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
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

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
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

Prin reacția de condensare a aminoacizilor se obțin peptide sau proteine.
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