Which phrase of biotechnology product development often involves testing in live animals?​

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later. when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Modern whales developed their traits through natural selection what occurs during the process of natural selection