Final answer:
The time elapsed between the 'go' signal and the first motor response to a stimulus is a concept in biology, specifically related to the nervous system.
Step-by-step explanation:
The question is related to the time elapsed between the 'go' signal and the first motor response to a stimulus. This concept is important in the field of biology, specifically in the study of the nervous system and its response to stimuli.
In biology, this time interval is related to the process of sensory input, integration in the central nervous system (CNS), and formulation and execution of a motor response. It can vary depending on the specific situation but is typically a fraction of a second.
For example, in a reflex arc, which is a quick and automatic response to a stimulus, the time elapsed from the 'go' signal to the motor response can be very fast, as the signal bypasses higher brain centers.