Respuesta :
Answer: B I think
Protein molecules are often very large and are made up of hundreds to thousands of amino acid units. Fats are large molecules made up of carbon, hydrogen, and oxygen, as are the carbohydrates, but their hydrogen-to-oxygen ratio is higher than 2;1. For this reason, fats contain more energy-storing carbon-hydrogen bonds than carbohydrates.
Answer:
b. proteins and fats
Explanation:
proteins contain carbon hydrogen oxygen like the carbohydrates and lipids
fats are large molecules made up of carbon hydrogen and oxygen