The difference between ribose and deoxyribose is that in ribose the second carbon atom carries hydroxyl group while in deoxyribose, the second carbon atom contains only hydrogen atom. Ribose and Deoxyribose make up the backbone of RNA and DNA respectively.
Breast cancer can occur in men. Symptoms can include a hard lump in the breast area, nipple discharge, the nipple turning inwards, and/or a rash around the nipple.