MCQOPTIONS
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MCQOPTIONS
| 1. |
In tissue culture media which ions inhibit trypsin from the following? |
| A. | Na<sup>+</sup> |
| B. | Pb<sup>2+</sup> |
| C. | Mg<sup>2+</sup> |
| D. | Fe<sup>2+</sup> |
| Answer» D. Fe<sup>2+</sup> | |