Question

What are porins and what role they play in diffusion?

Answer 1

hi mate here is your answer
Purins are types of protein which form pores of large size 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 molecules protein .
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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.

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