Incomplete protein
a. has no nutritional value in the diet.
b. is mostly found in foods of animal origin.
c. has been denatured by contact with heat, acid, or alkali.
d. contains inadequate amounts of one or more essential amino acids.
D
Incomplete protein contains inadequate amounts of one or more essential amino acids. It still has nutritional value and may be combined with another incomplete protein to provide complete protein. Incomplete proteins are found mostly in plant foods. Denaturing proteins does not affect their amino acids content and make them incomplete.
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