Question

In the Z-scheme of photosynthesis, which of the following electron flow combinations are NOT correct?
(i) P680 rightarrow PQ_A rightarrow PQ_B rightarrow Cytb_6f rightarrow Pheo rightarrow PC rightarrow P700
(ii) P700 rightarrow A_0 rightarrow A_1 rightarrow FeS_x rightarrow FeS_A rightarrow FeS_B rightarrow Fd
(iii) P680 rightarrow Pheo rightarrow PQ_A rightarrow PQ_B rightarrow Cytb_6f rightarrow PC rightarrow P700
(iv) P700 rightarrow A_1 rightarrow A_0 rightarrow FeS_A rightarrow FeS_B rightarrow FeS_x rightarrow Fd