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.
a. a person who is qualified to operate an aircraft or spacecraft in flight. b. (as modifier): pilot error. 2. (Navigation) a. a person who is qualified to steer or guide a ship into or out of a port, river mouth, etc. b. (as modifier): a pilot ship. 3. (Navigation) a person who steers a ship. 4. a person who acts as a leader or guide.