Unlike carbohydrates and lipids proteins contain which element?

Unlike carbohydrates and lipids, proteins contain an element - nitrogen.

Carbohydrates, proteins, and lipids three are major biological molecules also called macronutrients. these molecules contain carbon (C), hydrogen (H), and oxygen (O).

Thus, Unlike carbohydrates and lipids, proteins contain an element - nitrogen.

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The answer to your question is: Nitrogen

Explanation:

Organic molecules that are part of living organisms are composed by

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

The elements available in more quantity are Carbon, Hydrogen and Oxygen.

Nitrogen is present in proteins and nucleic acids.

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