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GCSE Food Preparation and Nutrition · key term
A building block that joins with other amino acids to form a protein.
Used by AQA
Specification 3.2.1.1 · Paper 1
Revise: ProteinProteins are made from long chains of smaller units called amino acids. These chains fold into particular shapes, allowing different proteins to perform different jobs.
Biological value describes the essential amino acid profile, not how much protein a food contains.
Explain complementation by referring to essential amino acids supplied by different foods, not simply to eating more protein.
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