This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Gonorrhea is assumed to be caused by gonococcus. Gonococcus can be identified by being: 
Select and explain. 
A. By the growth on McConkey medium, B. By the fermentation of maltose, C. By the fermentation of glucose, D. Gram positive
C: By the fermentation of glucose
Answer: C: By the fermentation of glucose 
Explanation: By the fermentation of glucose