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 a globular - shaped protein made of amino - acid chains. It has the function of oxygen - binding and transport, which is a characteristic of proteins. Carbohydrates are mainly for energy storage and structural support. Lipids are for energy storage, membrane - formation, etc. Nucleic acids store and transmit genetic information.

Answer:

proteins