how pgal is connecting link between respiration and photosynthesis

¤ In glycolysis pgal convert to form pyruvic acid .
¤from same pyruvic acid kreb cycle starts to run and produces 30ATP
¤after that ETS &Oxidative phosphorylation occurs to convert the NADPH2&FADH2 into ATP
¤this ATP help in carrying out different active function in phosynthesis cycle .