[Solved] If a virus is referred to as naked,it means it lacks which structure? A)Protein coat B)Capsid C)Envelope D)Nucleocapsid Cell Membranes: The semipermeable membrane surrounding the cytoplasm of a cell, responsible for controlling the movement of substances in and out of the cell. Hormones: Signaling molecules released by glands which travel through the bloodstream to tissues or organs to regulate physiology and behavior. Nonsteroidal: Refers to drugs that are not steroids, often used to reduce inflammation or pain without the effects of steroids. Glucagon: A hormone produced by the pancreas that raises blood glucose levels, acting as a critical counter-regulatory hormone to insulin.