electron = negative charge (I remember this one is negative because it is not the other two )
proton = positive charge (aka "P" is for "Positive")
neutron = no charge (aka "N" is for "No charge")
Hope this helps!
When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. Neurotransmitters travel between the axon and the dendrite of the next neuron. Neurotransmitters bind to the membrane
Answer:
Enzymes
Explanation:
Enzymes are biological molecules that catalyze specific reactions.
Enzymes are organic proteins, and are catalysts for chemical reactions, meaning that they help to speed up the reaction.
They do this by lowering the amount of activation energy needed.