Question

In oxidative photophosphorylation, the last 3 steps are as follows

$Q \rightarrow C \rightarrow aa_{3} \rightarrow O_{2}$

• A. $Q \rightarrow C$ is $H^{+}$ absorbing site
• B. $aa_{3} \rightarrow O_{2 +}H^{+}$ yielding site
• C. $Q \rightarrow C$ is $H^{+}$ yielding site and $aa_{3} \rightarrow O_{2}$ is $H^{+}$ absorbing site
• D. No $H^{+}$ is absorbed or released

Answer 1

Answer: (C)

$Q \rightarrow C$ is $H^{+}$ yielding site and $aa_{3} \rightarrow O_{2}$ is $H^{+}$ absorbing site