What helps the plasma membrane function?
A. Channels and chain-like structures
B. Pumps and gelatin-like material
C. Chloroplasts and mitochondria
D. Nuclei and endoplasmic reticula
A. Channels and chain-like structures
B. Pumps and gelatin-like material
C. Chloroplasts and mitochondria
D. Nuclei and endoplasmic reticula