Question

what are porins?(answer in short please)

Answer 1

hiii.....

any of a class of proteins whose molecules can form channels (large enough to allow the passage of small ions and molecules) through cellular membranes.

hope it helps!!

Answer 2

porins are types of proteins which forms pore of large sizes in the outher membrances of plastids such as chloroplast,mitochondria and the membrances in bacteria. they help facilitating the passive transports of small-sized protein molecules.