The mechanism of $ATP$ production in aerobic respiration was proposed by whom?

Which of the following $ETS$ complexes is inhibited by cyanide?

Oxygen $(O_{2})$ is utilised by an organism to

During $\text{ETS}$,ubiquinone receives reducing equivalents via

Cytochromes are .........

Given below are two statements.
$Statement-I$: During aerobic respiration, $ETS$ releases energy in a stepwise manner to prevent damage to cells.
$Statement-II$: During aerobic respiration, $ETS$ provides water molecules.
In the light of the above statements, choose the correct answer from the options given below.