Nerve Impulses . A. start at the dendrite.

B. are electrical signals.

C. can travel backwards and forwards.

D. are only found in the autonomic nervous system.

5. how can you decrease the pressure of a gas in a container without changing the volume of the gas?

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?