MCQOPTIONS
Saved Bookmarks
| 1. |
MacConkey s agar is both Selective and Differential media that is used primarily for the isolation of gram-negative bacteria. It consists of ................which inhibits the growth of gram-positive bacteria. |
| A. | Blood |
| B. | Peptone |
| C. | Bile salts |
| D. | Tryptophan |
| Answer» D. Tryptophan | |