Which phrase best describes the electron transport chain in photosynthesis?

The options for this question are not provided hence, I found the answer on the internet.

Phrase to describe the electron transport chain in photosynthesis is:
IT IS A SERIES OF PROTEINS LOCATED IN THE THYLAKOID MEMBRANE OF THE CHLOROPLAST.
ATP synthase enzyme that facilitates electron transport chain in eukaryotic cells. It is present in the inner membrane of mitochondria and in the thylakoid of chloroplast.
 

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

For you to be sure whether it is high pressure in the breathing system or to confirm the percentage of air which is taken in and out by the patient