[Solved] Viruses that do not have an envelope are called A)virions. B)particles. C)naked. D)viroids. E)prions. Misperception: An incorrect understanding or interpretation of information, events, or situations. Rods: Visual receptors that respond to dim light. Cones: Visual receptors involved in color vision. Retina: Neural tissue lining the back of the eyeball’s interior, which contains the receptors for vision.