The complete genome sequence of M. tuberculosis comprises of which of the following?: (A) 4100 genes, (B) 3100 genes, (C) 2100 genes, (D) 1100 genes
Answer is A. The complete genome sequence of M. tuberculosis comprises 4043 genes encoding 3993 proteins and 50 genes encoding RNAs and its high guanine-plus-cytosine content (65.6%) is indicative of an aerobic lifestyle. Reference : Harrisons Principles of Internal Medicine, 18th Edition, Page 1340