Question

question 1 proteins differ from carbohydrates because proteins _____________. answer are inorganic compounds always contain nitrogen do not contain carbon, hydrogen, or oxygen are quick sources of energy i dont know yet

Explanation:

Proteins are organic compounds made of amino - acids which always contain nitrogen. Carbohydrates are also organic but do not have nitrogen as a characteristic element. Proteins are not quick sources of energy (carbohydrates are). Both contain carbon, hydrogen, and oxygen.

Answer:

B. always contain nitrogen