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9 Cards in this Set
- Front
- Back
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What is a catalyst |
Substance that speeds up the rate of chemical reactions |
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Ch6 The phase when bacteria are in it's beginning stages of growing and has an increase in population is called the...? A. Log phase B. Lag C. Death D. Stationary |
A. Log phase |
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Ch6 An organism that could grow in either absence of oxygen or in presence of oxygen it is called a _________ ______. |
Facultative anaerobe |
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Ch6 An organism that can only grow without oxygen is ? |
Obligate anaerobe |
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Ch6 What does CHNOPS stand for |
Carbon Hydrogen Nitrogen Oxygen Phosphorus Sulfur |
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Ch6 In microbial growth , the period after lag phase is called |
Exponential |
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Ch6 What metals are toxic to microbes |
Copper, sliver, gold |
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Ch6 Define capnophiles What are examples |
A micro that grows best at higher carbon(CO2) Example: Neisseria- gonorrhea Brucella |
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Ch6 What is the function of osmoprotectants |
Maintain cell volume |
