Tortora ch-6 terms Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| Question | Answer |
| Obligate Aerobes | Organisms that require oxygen to live |
| Facultative anaerobes | Organisms that can use O2 when its present, but do not require it. Their energy production is decreased in the presence of O2 |
| Obligate anaerobes | Organisms that are killed in the presence of O2 |
| Aerotolerant anaerobes | Organisms who cannot use oxygen for growth but they tolerate it |
| Microaerophiles | Organisms who need an oxygen content lower than the atomosphere |
| Quorum sensing | Cell to cell communication in biofilms |
| Chemically defined medium | One whose exact chemical composition is known |
| complex media | made up of nutrients including extracts from yeasts, meat, plants, or digests of proteins |
| Reducing media | contains ingredients like sodium thioglycolate that deplete oxygen concentration in the culture medium |
| Selective media | Designed to supress growth of unwanted bacteria and encourage the growth of desired microbes |
| Differential media | make it easier to distinguish colonies of the desired organism from other colonies growing on the same plate |
| enrichment culture | provides nutrients and environmental conditions that favor the growth of a particular microbe but not others. |
| List the steps of binary fission | 1) cell elongates and DNA is replicated 2)cell wall and plasma membrane begin to constrict 3) cross wall forms 4) cells separate |
| generation time | time required for a cell to divide and the population to double |
Created by:
BiologyBee
Popular Biology sets