What type of transport lets oxygen in blood cells

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Witch theory suggests all living things are made up of cell or cells