Why is glucose called an aldohexose?

Glucose is called an aldohexose because it contains an aldehyde group (-CHO) and has six carbon atoms in its structure.

Explanation:
The term “aldohexose” is derived from two parts:

• “Aldo” refers to the presence of an aldehyde functional group
• “Hexose” means a sugar with six carbon atoms

Structure of Glucose:

• Molecular formula: C₆H₁₂O₆
• Contains one aldehyde group at the first carbon (in open-chain form)
• Has six carbon atoms arranged in a chain or ring structure

Key Points:

• Glucose is a monosaccharide
• It is the primary energy source for cells
• Exists in both open-chain and cyclic forms

Conclusion:
Glucose is called an aldohexose because it is a six-carbon sugar that contains an aldehyde functional group.