Answer: the correct answer is Proteins destined for the ER are translated by cytosolic ribosomes and are targeted to the ER when a signal sequence emerges during translation.
Explanation:
ER means Endoplasmic Reticulum and it works as a manufacturing and packaging system.
I am unable to see the question clearly.
Answer:
The main function of a cell membrane is to let some things in and let some thing out of the cell.
Hyponatremia hope it helps
