Light reaction of photosynthesis occurs inside

Where does the process of photophosphorylation occur in the chloroplast?

$ATPase$ enzyme consists of two parts. What are those parts? How are they arranged in the thylakoid membrane? Conformational change occurs in which part of the enzyme?

Which element helps in electron transport during the process of photosynthesis?

Absorption of light by chlorophyll of $PS-II$ causes

Which process is related to photosynthesis?