Question

What are porins? What role do they play in diffusion?​

Answer 1

Answer:

Porins are types of proteins which form pores of large sizes in the outer membranes of plastids such as chloroplast, mitochondria and the membranes in bacteria. They help in facilitating the passive transport of small-sized protein molecules.

Explanation:

Answer 2

Explanation:

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