CAIE A-Level Biology A2 12.2.7 Nad and Fad in Respiration Questions

any five from:

coenzyme A:

1 accepts / binds to / transfers, acetyl (group) ;

2 acetyl / 2C fragment, + oxaloacetate → citrate ;

3 (joins) link reaction and Krebs cycle ;

NAD / FAD:

4 transfer / transport / carry / accept / reduced by, $\mathrm{H}^{+}$and $\mathrm{e}^{-}$/ H (atoms) / hydrogen (atoms) ;

5 ref. dehydrogenation (reactions)/ dehydrogenase (enzymes) ;

6 transport, to cristae / to inner mitochondrial membrane / to ETC / for oxidative phosphorylation ;

7 NAD (accepts H) in glycolysis and link reaction and Krebs cycle ;