Lect25 - Global regulation strategies, methods and...

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Global regulation strategies, methods and rationale … or adaptive responses
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Learning Goals Students will learn that cells possess global transcription regulators that affect multiple genes in response to a given condition. Students will be able to articulate a rationale strategy for regulation in a specific situation based on economic arguments. Students will recognize the pros and
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Adaptation Ability to change behavior in response to demands placed on the individual by the environment. Marine invertebrates will move away from polluted waters If an animal is straving, its metabolism will change, use fat, slow catabolism/anabolism, become infertile
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Plants close stroma in the dark and some on hot dry days Some lizards are able to change their color Snowshoe Hare will change its coat from brown to white to match its surroundings Involuntary adaptive responses http://nationalzoo.si.edu/Animals/ReptilesAmphibians/Exhibit/Profiles/default.cfm http://www.keystone.org/kss/naturalhistory_10_200
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What about microbes? photosynthetic apparatus of Rhodobacter changes with light conditions IS THIS ADAPTATION? oxygen light no oxygen light no oxygen low light no oxygen high light
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Click to edit Master subtitle style Microbes do adapt Pre-exposure to stress often allows survival of lethal dose B
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Lect25 - Global regulation strategies, methods and...

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