Question

What is protein???????​

Answer 1

Answer:

Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues

Answer 2

Protein are essential nutrients in the body.

They are one of the building blocks of body tissue and can also serve as a fuel source. As a fuel, proteins provide as much energy density as carbohydrates: 4 kcal per gram; in contrast, lipids provide 9 kcal per gram.