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- Antibiotics are chemical substances derived from microbes like_____.a) Fungi, Algae b) Fungi, Bacteriac) Fungi, Virus d) Bacteria, Algae4. When is it terminal to take an antibacterial after acquiring the bacteria?1. What is the initial population of the bacteria? 2. How does the bacteria grow over a period of time? 3. How many bacteria will there be after 12 hours? 24 hours? 4. When is it terminal to take an antibacterial after acquiring the bacteria?
- 12. Why are major pharmaceutical companies reluctant to develop new antibiotics for Gram negative bacteria?8. Some antibiotics show no zone of inhibition against the microbe. How is this possible? Explain how the microbe is able to combat against the antibiotic with proper reasoning.7. Antibiotic resistance is a constant problem. List three ways that bacteria can be resistant to antiblotics.
- 8. Explain how a bacterium achieves its resistance. 9. What is the use given to antibiotics in production animals? 10. Is this use in animals good practice? 11. Once resistance occurs, what has the scientific community had to do? 12. Do antibiotics only affect negative bacteria? explain. 13. What are the most feared diseases due to antibiotic resistance? 14. Should antibiotics be used against viruses? explain. 15. How can we avoid antibiotic resistance?3. Which of the following microorganism have two nuclei?a) Slime moldsb) Cyanobacteriac) Amoebad) Paramecium6) Provide three mechanism that antibiotics kills bacteria
- 7) Identify the most correct choice: a) The time required for a bacterial population to double is called generation time Ob) Nitrogen is required by the organisms mainly to produce ATP. c) Agar is a common food source for the bacteria. d) A colony is usually a mixture of various bacterial organisms. e) a and c1. What attributes would a microbe need (physical or biochemical) to be able to: a. Travel from Africa to North America and remain viable? b. Flourish in the new environment if it was pathogenic for man?c. Flourish in the new environment if it was pathogenic for plants?d. Flourish in the new environment if it was a soil organism?6. Which of the following is the most important structure related to microbial attachment? a)Flagellum b) Plasmid c) Peptidoglycan d) Glycocalix