Question

hemoglobin is a molecule that transports oxygen from the lungs to cells in the human body. to which group of biomolecules does hemoglobin belong? carbohydrates lipids nucleic acids proteins

Explanation:

Hemoglobin is made up of amino - acid chains, which are the building blocks of proteins. Carbohydrates are energy - providing molecules like sugars and starches. Lipids include fats, oils, and waxes. Nucleic acids are DNA and RNA. So, hemoglobin belongs to proteins.

Answer:

proteins