Label the axon, motor end plate (neurotransmitter receptor), calcium channel, synaptic vesicles, neurotransmitter, and synapse in the diagram below.

What is involved in redox reactions

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above