In many respects, the steroids also seem to fall within this class. This enormous generalization induced from structure determination studies led to the hypothesis that all of these molecules are made in the cell by a single route â that they are products of a common biogenetic pathway. In recent years, great progress has been made in mapping this pathway.
Captain definition, a person who is at the head of or in authority over others; chief; leader. See more.
In the United States Navy, commanding officer is the official title of the commander of a ship, but they are usually referred to as the Captain regardless of their actual rank: Any naval officer who commands a ship is addressed by naval custom as captain while aboard in command, regardless of their actual rank.