Microbial_growth

Microbial_growth - MicrobialGrowth...

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Microbial Growth  Animations to know: www.mhhe.com/nester6 Chapter 4 Animation Quiz - Binary Fission Animation Quiz - Biofilm Formation Chapter 13 Animation Quiz - Lambda Phage  Replication Cycle Chapter 14: Animation Quiz - Entry of Virus into Host  Cell Animation Quiz - Mechanism for  Releasing Enveloped Viruses _____________________________________ _____________________________________ ___ I. Growth for bacteria A. Prokaryotic Binary fission (Fig. 4.1, Table 4.1) 1. One cell divides into two daughter cells. Must replicate its chromosome during division. 2. Generation or doubling time- the time it takes for a cell to reproduce under optimal  conditions. 3. Results in exponential growth. To determine the number of microbes afte N 0  x 2 n B. Growth Curve (Figure 4.6) 1. In experimental conditions with nutrient broth cultures where nutrients aren’t added or  waste products removed. a. Lag phase     b. Log phase     c. Stationary phase     1
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d. Death phase     e. Prolonged decline (Fig. 4.8)     2. Cells synthesize primary metabolites during log phase that allows them to grow more  rapidly, such as amino acids, peptidoglycan and nucleic acids. Cells synthesize secondary 
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This note was uploaded on 04/12/2011 for the course MCRO 251 taught by Professor Lorrainecramer during the Spring '09 term at UNC.

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Microbial_growth - MicrobialGrowth...

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