Proteins are like carbohydrates and fats (lipids) in that they contain carbon, hydrogen, and oxygen. On the other hand, proteins also contain while carbohydrates and fats do not.

Proteins are like carbohydrates and fats (lipids) because they contain carbon, hydrogen and oxygen. On the other hand, proteins also contain _nitrogen while carbohydrates and fats do not.

Explanation:

Proteins are formed by units: amino acids. These are organic molecules that contain carboxyl (COOH) and amino (NH2) groups. These groups bind to the carbon called alpha (α), which also binds to a side chain (R chain) and a hydrogen atom (H). There are 20 types of amino acids.

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.