A Friend Shows You a Newspaper Article Titled "Magnesium's Role

A friend shows you a newspaper article titled "Magnesium's Role in ATP Synthesis." After reading the article, what comments do you make?

A) Magnesium does not play a role in ATP synthesis.
B) It is not magnesium but manganese that plays the role in ATP synthesis.
C) Magnesium serves as a catalyst in the reaction that adds the last phosphate to ATP.
D) There are three magnesium groups within the ATP structure that help it do its work.