Question

which of the following is not a carbohydrate?
starch
cellulose
hemoglobin
glucose

Explanation:

Starch, cellulose, and glucose are all carbohydrates. Starch is a polysaccharide, cellulose is a structural polysaccharide in plants, and glucose is a monosaccharide. Hemoglobin is a protein in red - blood cells that transports oxygen.

Answer:

C. Hemoglobin