Question

multiple choice question according to recent studies, where are psii and the b6 - f complexes located? in the stroma lamellae and on portions of the thylakoid membrane that surround the chloroplast (together with the outer membrane) in the grana and in borders between the grana and the stroma lamellae in the stroma

Explanation:

PSII (Photosystem II) and the $b_6 - f$ complexes are key components in the light - dependent reactions of photosynthesis. They are located in the grana (stacks of thylakoids) and in the borders between the grana and the stroma lamellae. This is because these regions provide the necessary environment for the light - harvesting and electron - transfer processes associated with these complexes.

Answer:

In the grana and in borders between the grana and the stroma lamellae