Which of the Following Statements Best Describes What Is Illustrated

Multiple Choice

Which of the following statements best describes what is illustrated in this diagram?

A) This diagram illustrates the carbon balance of the citric acid cycle.
B) This diagram illustrates the electron balance of the citric acid cycle.
C) This diagram illustrates the oxygen balance of the citric acid cycle.
D) This diagram illustrates the hydrogen balance of the citric acid cycle.
E) All of the above are illustrated in this diagram.