B1 0.0 / 5 ? BiologyHealthy livingGCSEOCR Created by: vikth99Created on: 05-04-15 13:45 What are first class proteins contain? They contain all of the essential amino acids 1 of 5 What are first class proteins contain? They contain all of the essential amino acids 2 of 5 What are first class proteins contain? They contain all of the essential amino acids 3 of 5 What are first class proteins contain? They contain all of the essential amino acids 4 of 5 What are first class proteins contain? They contain all of the essential amino acids 5 of 5
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