A complete protein contains all nine essential amino acids. Among the foods listed, rice and beans can combine to create a complete protein, while vegetables generally do not provide complete amino acids by themselves. Overall, it’s important to consider food combinations for obtaining complete proteins. ;
The correct answer is A. eggs, which are a complete protein containing all nine essential amino acids. Rice and beans can combine to form a complete protein, but individually they are not complete proteins. Vegetables also generally do not provide complete proteins by themselves.
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