CAIE A-Level Biology 13.1 Photosynthesis Energy Transfer Question Bank

any four from:

1 both photosystem I and photosystem II involved ; A both photosystems

2 photoactivation of chlorophyll occurs ;

3 photolysis of water occurs / description ;

4 oxygen production / oxygen-evolving complex involved ;

5 electrons emitted by photosystem I used to reduce NADP

or

NADP is the final electron acceptor ;

6 photosystem I receives electrons from photosystem II

or

photosystem II receives electrons from photolysis (of water) ;

7 ETC / electron transport chain, sets up proton gradient

or

chemiosmosis / ATP produced ;

GP used to make, amino acids / fatty acids / lipids ;

TP used to make, hexose / starch / cellulose / amino acids / glycerol / lipids ;