I think it’s the second option. There is a ph scale attached below to explain this. Hope it helps.
Answer:
i) iv) ii) iii)
Explanation:
The excitable cell begins being in a resting state, with a negative charge, -70 mV. First (i) there is a stimulus of influx of sodio into the cell, if the stimulus is strong enough and exceeds -55 mV, the threshold potential, then an action potential will occur. (iv) A strong influx of sodium that deporalizes the cells causes a change to a positive charge in the cell. (ii) Then potassium efflux from the cell in large quantities, which repolarizes the cell. (iii) With a continuous efflux of potassium the cell can become more negative than the resting potential, this is called hyperpolarization.
Answer:
Explanation:
very great at the morning but now i am bored..
no positive things happened till now
the internet is disturbing ang irritating me i can't completing my work.
A: Communication can help identify good Scientific questions to further investigate.
The importance of peer review is stated with repetition in regards to this subject for this particular reason: Hope it helps!
<span> a creation of a new substance
a </span><span>change in size and shape of a substance
a </span><span>change of appearance
a </span><span>change of appearance
******Physical changes are changes you see in an object or person </span>