The neuron that transmits the impulse is called the , and the cell receiving the impulse is called the .

When a nerve impulse arrives at the axon terminal of the neuron, it triggers the release of molecules called .
These molecules diffuse across the synapse and bind to receptors on the next cell.

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.