question_answer

Which of the following is true regarding the given electron transport chain? \[CoQ\to Cyt\,c\to Cyt\,a{{a}_{_{3}}}\to {{O}_{2}}\]

A)  \[CoQ\to Cyt\,\,c\] is \[{{H}^{+}}\]absorbing site

B)  \[a{{a}_{3}}\to {{O}_{2}},\]\[{{H}^{+}}\]yielding site

C)  \[CoQ\to Cyt\,\,c\] is \[{{H}^{+}}\]yielding site and \[a{{a}_{3}}\to {{O}_{2}}\] is \[{{H}^{+}}\]absorbing site

D)  no \[{{H}^{+}}\]is absorbed or released