Effect of physical and chemical environment on growth
1. Which type of microorganisms can alter their metabolic activities based on the presence or absence of oxygen?
2. Halophiles are a broader category of which type of organisms?
3. What is the main threat to microorganisms when they use oxygen for cellular respiration?
4. Which category of microorganisms prefers salt-free environments but can tolerate mild to moderate salt levels?
5. Which type of microorganism grows best at temperatures between 20 to 40 °C?
6. Organisms that require a salt concentration of 15 to 30 percent for optimal growth are known as:
7. You are a microbiologist working on cleaning up an oil spill in a polar region with extremely low temperatures. Which type of microorganism would be most suitable for this environment?
8. Which type of microorganisms thrive in environments with a pH above 8.5?
9. At which wavelength is the absorbance of the E. coli culture is measured?
10. Which pH range do neutrophils typically prefer for growth?