Which of the Following Is TRUE Regarding the Discovery of the Citric

Multiple Choice

Which of the following is TRUE regarding the discovery of the citric acid cycle?
(I) One of the first discoveries was the involvement of coenzyme A in the production of GTP.
(II) Krebs had knowledge of the sequence of reactions before he was able to demonstrate the link of the cycle to glucose metabolism.
(III) The citric acid cycle was the first cyclic pathway discovered.
(IV) Krebs demonstrated the involvement of the citric acid cycle in oxidation of amino acid and fatty acids.

A) I,II,III,IV
B) I,II,III
C) II,III
D) III,IV
E) II,IV