Question

which molecule is a carbohydrate?
myoglobin
fructose
cholesterol
ribonucleic acid

Explanation:

Carbohydrates are organic compounds made of carbon, hydrogen, and oxygen, often with a 2:1 ratio of hydrogen to oxygen. Fructose is a simple sugar, a type of carbohydrate. Myoglobin is a protein, cholesterol is a lipid, and ribonucleic acid (RNA) is a nucleic acid.

Answer:

fructose