The porins are proteins that form huge pores in the outer membranes of the plastids, t mitochondria and some bacteria allowing molecules up to the size of small proteins to pass through.
Porins facilitate diffusion.
The porins are proteins that form huge pores in the outer membranes of the plastids, t mitochondria and some bacteria allowing molecules up to the size of small proteins to pass through.
Porins facilitate diffusion.