If the Na+ voltage-gated channels in a muscle cell open, the Na (sodium) ions rush inside the muscle cell and makes the cell more positive as Na ions carry positive charge on it. Due to the entry of positively charged ions inside the cell, the cell becomes less negative and more positive. This is called depolarization of cell.
Answer:
A) identical to its parent
Explanation:
It was produced through asexual reproduction.
Mitochondria! That is why it is called the powerhouse of the cell!