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Messiah BIOL MISC Chapter 6: Microbial Growth 1)Classify microbes into five groups on the basis of preferred temperature change

Biology May 06, 2021

Messiah

BIOL MISC

Chapter 6: Microbial Growth

1)Classify microbes into five groups on the basis of preferred temperature change.

 

 

  1. Identify how and why the pH of culture media is controlled.

 

  1. Explain the importance of osmotic pressure to microbial growth.

 

  1. Provide a use for each of the four elements (C, N, S, P) needed in large amounts microbial growth.

 

  1. Explain how microbes are classified on the basis of oxygen requirements.

 

 
 
 

 

 

  1. Identify ways in which aerobes avoid by toxic forms of oxygen.

(pwr. Point 22)

  •  

2

Singlet oxygen: 1O boosted to a higher-energy state
  • Superoxide free radicals: O2

 

2

              Peroxide anion: O 2–
  • Hydroxyl radical (OH•)

 

  1. Justify the use of each of the following:

anaerobic techniques:

 

Cultural media:

  • Culture medium:

 

  • Sterile:
  • Inoculation:
  • Culture:
  1. Define bacterial colony:

 

  1. Describe how pure cultures can be isolated by using streak plates.

 

 

 

  1. Explain four different methods used to measure cell growth.
  1.  

 

  1. Differentiate between direct and indirect methods of measuring cell growth.

 

  1. Explain three indirect methods of measuring cell growth.

 

 

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