Final answer:
Nuts represent an incomplete protein because they do not contain all the essential amino acids.
Step-by-step explanation:
An incomplete protein is a protein that does not contain all the essential amino acids. Among the given choices, nuts represents an incomplete protein. While nuts are a good source of protein, they lack one or more of the essential amino acids required for a complete protein. For example, some nuts like cashews are deficient in the essential amino acid lysine.
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