Question

What is protien??????????????​

Answer 1

Answer:

Proteins are essential nutrients for the human 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

Answer 2

Answer:

I hope this is your answer please mark as a brainlist