Secretory pathway refers to the channel through which the secretory organelles secrete proteins to the extracellular compartment.
The polypeptide transport in the secretory pathway involved the transportation of proteins from the ribosomes to the endoplasmic reticulum and then to the golgi bodies and finally to the plasma membrane.
The answer is C. They move into an ecosystem :)
I think it's D. It shields life forms on the surface from radiation?
Answer:
ameoba
Explanation:
ameobas are single celled organisims