Which of the Following Terms Does Not Describe a Molecule

Question

Which of the following terms does not describe a molecule of glucose?
A) an isomer of fructose
B) an aldose
C) a hexose
D) a disaccharide

Accepted Answer

Glucose is a monosaccharide, not a disaccharide. Disaccharides are composed of two monosaccharide molecules joined together, such as sucrose (glucose + fructose).