Graded vs action potential

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Jessica

United Kingdom

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Fill in the Blanks Graded vs action potentialOnline version Fill in the blanks by Jessica 1 Graded potentials and action potentials differ in their amplitude , location , and function . potentials vary in size depending on stimulus , whereas potentials are all - or - none events with a fixed . Graded potentials occur mainly in the and , while action potentials occur in the , typically beginning at the . 2 potentials do not require a threshold and may be depolarising or , whereas potentials are only generated once a threshold of approximately ? 55 mV is reached and are always . Graded potentials spread along the and in amplitude with distance , whereas action potentials are regenerated along the and do not . 3 potentials can undergo spatial and temporal summation , whereas potentials cannot summate in amplitude . potentials have no refractory period , whereas potentials have and refractory periods , ensuring transmission . 4 Functionally , potentials are involved in integrating synaptic input and determining whether is reached , whereas potentials are responsible for transmitting information over distances . Graded potentials encode information by , whereas action potentials encode information by of firing .