The answer is A in the cell wall
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.
B is the answer because it the ER helps with protein transport.
Answer:
If a person has the genetic potential to develop diabetes, their level of exercise, their food choices and their body weight will definitely affect gene expression for this disorder. Diet, exercise, weight, even exposure to a virus are all environmental factors that play a role in triggering this genetic condition.
Explanation:
