A cluster of what kind of ions is responsible for passing electrons one-at-a-time to the nearby P680+ in the reaction center?
A)a cluster of iron ions
B)a cluster of 4 manganese ions and one calcium ion
C)a cluster of magnesium ions
D)a cluster of copper ions
E)a cluster of manganese ions

Question

Quizplus · Accepted Answer

The cluster of 4 manganese ions and one calcium ion (Mn4CaO5) is known as the oxygen-evolving complex, and it is responsible for water oxidation and the transfer of electrons one-at-a-time to the nearby P680+ in the reaction center of Photosystem II during the light-dependent reactions of photosynthesis. This process ultimately results in the production of oxygen, ATP, and NADPH.

A Cluster of What Kind of Ions Is Responsible for Passing