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Cell Cultures and Characteristics - Section 1 Multiple Questions and Answers.
| 1. | Which of the following bacteria can grow in acidic pH? | ||
| A. | Vibrio cholerae | ||
| B. | Lactobacilli | ||
| C. | Shigella | ||
| D. | Salmonella | ||
| 2. | Cell size and cell number can be measured using | ||
| A. | hemocytometer | ||
| B. | coulter counter | ||
| C. | petroff-hausser counting chamber | ||
| D. | All of Above | ||
| 4. | In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at | ||
| A. | -60 to -78°C | ||
| B. | -20 to -30°C | ||
| C. | -30 to -48°C | ||
| D. | -48 to -58°C | ||
| 5. | The solidifying agent commonly used in preparation of media is/are | ||
| A. | agar | ||
| B. | silica gel | ||
| C. | both (a) and (b) | ||
| D. | None of above | ||
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