s12282: the extremes of life lesson 2: thermophiles ......microsoft word - 2_worksheet_blank.docx...
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S12282: The Extremes of Life Lesson 2: Thermophiles, Psychrophiles, and Piezophiles
LearningObjectives:
• Summarizethemajorclassesofbiopolymersandtheircomponents,includingDNA,protein,andthemembrane
• Predictthepossibleadaptationsoforganismslivingin“extreme”environments
Writedownsomeexamplesof“extreme”environments:Whatphysicalparametersmaketheseenvironmentsextreme?Whatarethethreedomainsoflife?Classifyorganismsbytheiroptimumgrowthtemperature:Growthtemperature(°C) Classification
37(98.6°F)
45-60(113-140°F)
60-80(113-176°F)
>80(>176°F)
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Belowisaschematicofalipidmolecule.Labelthepartsofthemolecule.
Whatisthehydrophobiceffect?Whataresomeexamplesofprocessescausedbythehydrophobiceffect?Whatisthefunctionofthecellmembrane?Whataresomeadaptationsofhyperthermophileplasmamembranes?
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Whatisthedifferencebetweensaturatedandunsaturatedfattyacids?Whataresomeadaptationsofhyperthermophileplasmamembranes?Matchthelipidwiththetypeoforganismitmostlikelycamefrom.Options:bacterium,hyperthermophile,psychrophile
Lipid Typeoforganism
Whatarethefourmonomers(subunits)ofDNA?Whichpairismorestable?Whatisthecentraldogmaofmolecularbiology?
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Whatareenzymes?Whattypesofnoncovalentinteractionshelpproteinsfold?Whataresomeadaptationsofhyperthermophileproteins?Whataresomeadaptationsofpsychrophileproteins?BelowisafigureofanE.colicell.Labelthepartsofthecell.