(also called Observational Error) is the difference between a measured quantity and its true value. It includes random error
Answer:
To avoid variation due to concentration
Explanation:
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In the voltage-gated channels, the stimuli is a change in the voltage across the membrane.
In mechanically gated channels the stimuli is a mechanical stress.
In ligand-gated channels the stimuli is the binding of a ligand:ion or molecule that binds to a metal atom.
Higher the concentration, the faster the reaction would occur thus higher the rate because there would be more amount of reactants for the reaction to occur and more particles would frequently collide to produce the products quickly.