Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'nitrogenous compound fermentation'?

A. Fermentation that includes the anaerobic conversion of glucose to pyruvate via the glycolytic pathway.
B. The fermentation of organic substances with a net release of hydrogen.
C. The anaerobic enzymatic conversion of L-malate to L-lactate and carbon dioxide, yielding energy in the form of ATP.
D. The anaerobic chemical reactions and pathways resulting in the breakdown of a nitrogen-containing compound, yielding energy in the form of ATP.

Answer: The anaerobic chemical reactions and pathways resulting in the breakdown of a nitrogen-containing compound, yielding energy in the form of ATP.