Proteins in the cell membrane provide the structural support aspect. There are also channel proteins in the cell membrane that help substances pass through the cell membrane.
Hope this helps!! :)
Suministra oxígeno a la sangre y elimina el dióxido de carbono de la sangre
Kingdom; phylum; class; order; family; species; genus
Answer: A - He opposed the encomienda system. C - He argued that enslaving people was a sin. E. He thought that indigenous people should be converted to Christianity.
Explanation: Good luck! :D
