Examlex
Do the operation and express the answer in a + bi form.
Tooth
A hard, calcified structure found in the jaws of many vertebrates, used for biting and chewing food.
Pepsin
An enzyme produced in the stomach that initiates digestion of protein.
Polypeptides
Chains of amino acids linked by peptide bonds, serving as the building blocks for proteins.
Proteins
Proteins are large, complex molecules essential for the structure, function, and regulation of the body's cells, tissues, and organs.
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