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(Background) A reflex is a sudden, unconscious and involuntary response to a stimuli. It occurs through 3 different types of neurones or nerve cells: 1) The stimulus (heat, pain, light) i...

The presynaptic part of both junctions are both almost identical, although different neurotransmitters can be used depending on location and function. Acetylcholine is usually found in neuromuscular junct...

1. The action potential arrives at the axon terminal 2) Voltage-gated Ca2+ channels open 3) Ca2+ enters the presynaptic neurone 4) Ca2+ signals to neurotransmitter vesicles 5) Vesicles move to the memb...

Answer: "The movement of molecules across a membrane from an area of lower to higher concentration. This process requires energy which is supplied in the form of ATP from respiration"Explain: co...

Structurally these molecules are very similar with a few differences. They are both made up of monomers called nucleotides. Nucleotides simply refer to nitrogenous bases, pentose sugar together with the p...