QUESTION: answer this: where does the electron transport chain take place in eukaryotic cells??

ANS: thylakoid membrane


QUESTION: answer this: when does the show stranger things take place??

ANS: the 1980s


QUESTION: answer this: when will new 20 dollar bill be released??

ANS: by 2020


QUESTION: answer this: where did the idea of retirement come from??

ANS:
the 18th century