which of the following processes does the body not use protein to perform? a. repairing muscles b. producing…

Brief Explanations:

Proteins are essential for muscle - repair as they are building blocks for muscles. Many hormones are proteins or peptides. Hemoglobin is a protein. However, vitamin - absorption does not directly involve proteins. Vitamins are absorbed through various mechanisms such as passive diffusion or active transport systems that may not rely on protein as the main component for the absorption process itself.

Answer:

D. absorbing certain vitamins