Compare the Structure of an Aldose to a Ketose

Multiple Choice

Compare the structure of an aldose to a ketose.

A) Ketose has a carbon backbone with an aldehyde group at the end of the molecule, whereas aldose has a ketone group at the end of the molecule.
B) Ketose has a carbon backbone with a ketone group at the end of the molecule, whereas aldose has an aldehyde group at the end of the molecule.
C) Both have a carbon backbone where ketose has a ketone group at the end of the molecule, and aldose also has an aldehyde group at the end of the molecule.
D) Both have a carbon backbone where ketose has a ketone group on the second carbon in the molecule, and aldose also has an aldehyde group at the end of the molecule.