Identify the molecules that contain aldehyde or ketone functional groups. Encircle the ketone or aldehyde functional groups.

Identified aldehyde and ketone groups in Vitamin B6 and Progesterone.

Aldehyde and ketone groups highlighted in Vitamin B6 and Progesterone structures.

Highlighted functional groups in Vitamin B6 and Progesterone structures.

Aldehyde and ketone groups marked in chemical structures of Vitamin B6 and Progesterone.