Enzymes related to cristae are associated with:

Cytochrome is found in

Cytochromes are found in

Given below are two statements.
Statement-$I$: During aerobic respiration,$ETS$ regenerates co-enzymes such as $NAD^+$ and $FAD^+$ from their reduced forms $NADH + H^+$ and $FADH_2$.
Statement-$II$: During aerobic respiration,$ETS$ generates a major amount of energy in the form of $ATP$ molecules.
In the light of the above statements,choose the correct answer from the options given below.

In which of the following does oxidative phosphorylation occur during electron transport?

Electron transport system occurs in $:-$