 
			 
			MCQOPTIONS
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				| 1. | For its activity, pyruvate decarboxylase requires ______________ | 
| A. | Mg<sup>+2</sup> | 
| B. | Ca<sup>+2</sup> | 
| C. | Na<sup>+</sup> | 
| D. | H<sup>+</sup> | 
| Answer» B. Ca<sup>+2</sup> | |