Question

Identify the elemental makeup of proteins.

A. Carbon, Hydrogen, and Oxygen

B. Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio

C. Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus

D. Carbon, Hydrogen, Oxygen, and Nitrogen

Answer 1

D

Step-by-step explanation:

Proteins are organic molecules composed of carbon ,hydrogen ,oxygen and nitrogen