Plzzz gimme short notes or d link wher i khen get notes on d folloein:

1. Thiamine, Pyrophosphate, Pyridoxal Phosphate, NAD(H),NADP(H),FMN,FAD

2. Role of metal ions (Na & K)in biological process

3. Photosystem I and II in cleavage of water system

4. Functions of Hemicyanins