 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | An enzyme that is always produced, regardless of the presence of substrates or the end products, is called | 
| A. | a constitutive enzyme | 
| B. | an isoenzyme | 
| C. | a repressible enzyme | 
| D. | an allosteric enzyme | 
| Answer» B. an isoenzyme | |