The last or terminal cytochrome in respiratory chain is
or
In an electron transport chain in terminal oxidation the cytochrome which donates electrons to `O_(2)` is

Options

A. Cyt b
B. Cyt `a_3`
C. Cyt a
D. Cyt c

Answer

B

Explanation

Cyt a3 is the last and terminal cytochrome in the respiration chain. These are the substance that inhibit electron transport from reduced to cyt a to cyt a3.