Term
In figure 6.1 which line best depicts the growth of a facultative anaerobe in the absence of O2?
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| Salts and sugars work to preserve foods by creating a? |
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Definition
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| The term facultative anaerobe refers to an organism that? |
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Definition
| use oxygen or grows without oxygen |
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| In figure 6.2 which section shows a growth phase where the number of cells dying equals the number of cells dividing? |
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| A culture medium on which only Gram-positive organisms grow and a yellow halo surrounds Staphylococcus aureus colonies is called? |
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| A culture medium consiting of agar, human blood, and beef heart is a? |
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| During which growth phase will gram-positive bacteria be most susceptible to penicillin? |
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| In figure 6.4 in which tube are microaerobes growing? |
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Psychotrophic organisms are often responsible for food spoilage in refrigerator foods?
True or False |
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| Which of the following does NOT kill Endospores? |
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Definition
a. autoclaving
b. pasteurization
c. incineration
d. hot-air sterilization
Answer is b |
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