Cells contain a certain structure that acts as a gatekeeper in order to maintain homeostasis. This gatekeeper controls what is able to enter and exit the cell. Plant cells produce oxygen as a waste product. What cell structure allows this oxygen to pass into the environment?

A.
chloroplast

B.
vacuole

C.
endoplasmic reticulum

D.
cell membrane

3 answers

D. cell membrane

Is this 100 % correct

Yes, the cell membrane is the correct answer. It acts as a gatekeeper for the cell, controlling what enters and exits, including the release of oxygen as a waste product produced by plant cells.