 
			 
			MCQOPTIONS
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				| 1. | Mycobacterium tuberculosis and Escherichia coli produce nicotinic acid by condensation of which of the following compounds? | 
| A. | Glyceraldehyde 3-phosphate | 
| B. | Amino acid | 
| C. | Pyrrole | 
| D. | acetylene | 
| Answer» D. acetylene | |