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Growth and Nutrition of Bacteria - Section 1 Multiple Questions and Answers.
| 16. | The equation used to obtain bacterial population by binary fission is | ||
| A. | N = No2n | ||
| B. | log N/No = (0.3010) n | ||
| C. | log(N/No) = nlog 2 | ||
| D. | All of Above | ||
| 17. | Bacteria and fungi multiply best | ||
| A. | below 16°C | ||
| B. | between 16-38°C | ||
| C. | above 38°C | ||
| D. | None of Above | ||
| 18. | An organism has an optimal growth rate when the hydrogen ion concentration is very high. This organism is | ||
| A. | osmotolerant | ||
| B. | acidophile | ||
| C. | neutrophile | ||
| D. | aerotolerant anaerobe | ||
| 19. | Which of the following procedures uses a photocell to measure absorbance of a culture to regulate the flow of culture media? | ||
| A. | Coulter Counter | ||
| B. | Hemostat | ||
| C. | Petroff-Hausser chamber | ||
| D. | Trubidostat | ||
| 20. | Organisms, using organic compounds as electron donors are called | ||
| A. | Lithotrophs | ||
| B. | Phototrophs | ||
| C. | Chemotrophs | ||
| D. | Organotrophs | ||
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