Explanation:
An empty graduated cylinder has a mass of 34.90 g. The cylinder is filled to the 9.40 mL mark with a liquid. The mass the cylinder with liquid is found to be 47.99 g. What is the density of the liquid?
Explanation:
Density
=
Mass
Volume
=
47.99
⋅
g
−
34.90
⋅
g
9.40
⋅
m
L
=
?
?
g
⋅
m
L
−
1
.
As sodium ions diffuse inward, sodium channels open.
Membrane depolarization occurs.
Potassium ions spread outward as potassium channels open.
Membrane repolarization occurs.
<h3>What happens along an axon in the right order ?</h3><h3 />
An action potential, which is a fast change in membrane potential, develops when the membrane potential of a neuron's axon hillock hits threshold. There are three steps to this shifting change in membrane potential. Depolarization occurs first, then repolarization, and then there is a brief phase of hyperpolarization.
- A depolarizing current causes an explosion of electrical activity known as the action potential. This indicates that the resting potential shifts toward 0 mV as a result of some action (a stimulus).
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