Excitation example sentences

This whole scheme of transfer of electrons, starting from the PS , uphill to the accepter, down the electron transport chain to PS I, excitation of electrons, transfer to another accepter, and finally down hill to NADP+ causing it to be reduced to NADPH + H+ is called the Z scheme, due to its characterstic shape (Figureure 1 5).Cyclic photophosphorylation also occurs when only light of wavelengths beyond 680 nm are available for excitation.