Question

why granum is also called as third membrane of chloroplast ??​

Answer 1

The outer membrane of the chloroplast envelope, like that of mitochondria, contains porins and is therefore freely permeable to small molecules. In contrast, the inner membrane is impermeable to ions and metabolites, which are therefore able to enter chloroplasts only via specific membrane transporters.

Answer 2

Answer:

8TH. .................