The Z scheme of photophosphorylation follows the following sequence.

Which of the following option is correct for A,B,C and D tranfer of electrons?

Options

A. `{:(A,B,C,D),("Uphill","Downhill","Uphill","Downhill"):}`
B. `{:(A,B,C,D),("Downhill","Uphill","Downhill","Uphill"):}`
C. `{:(A,B,C,D),("Downhill","Uphill","Uphill","Downhill"):}`
D. `{:(A,B,C,D),("Uphill","Downhill","Downhill","Uphill"):}`

Answer

A