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Extremophiles- Life on the edge. Extraterrestrial life- Does it exist?. Images from NASA, http:// pds.jpl.nasa.gov /planets/. What is an extremophile?. Microbes that live where nothing else can. Extremozymes - enzymes that work under extremes. What is an enzyme?.
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Extraterrestrial life-Does it exist? Images from NASA, http://pds.jpl.nasa.gov/planets/
What is an extremophile? Microbes that live where nothing else can Extremozymes- enzymes that work under extremes
What is an enzyme? Large biological molecule responsible chemical reactions that sustain life
Enzymes at extremes • Temperature • pH • Salt concentration Extreme temperatures cause proteins to denature, which is why fevers can be dangerous.
Extremophile“Extreme” “loving” Thermophiles- high temperatures Psychrophiles- low temperatures
Chemical Extremes Acidophile Alkaliphile Halophile Dead Sea Mono Lake- soda lake
More Extremophiles… Endolith- Lives inside rocks or pores of minerals Anaerobe- Lives without the presence of oxygen Giardia
Life at the Extreme! Create a Presentation for Tourists (5 minute) Include: • Location • Challenges of living there • Extremophile- scientific name and relevant information • How it survives- adaptations • Interesting Facts • If we were to go into space, where might we find it?
Life at the Extreme! 1. Carlsbad Caverns National Park: Lechuguilla Cave2. Yellowstone National Park: Hot Springs3. Great Salt Lake State Park4. Cruise Ship over Hydrothermal Vents5. Kamchatka 6. Indonesia: KawahIjen Lake