Access over 20 million homework & study documents

Ch 18 to 22 Microbiology Bacteria Presentation

Content type
User Generated
Showing Page:

Sign up to view the full document!

lock_open Sign Up
Showing Page:

Sign up to view the full document!

lock_open Sign Up
Showing Page:

Sign up to view the full document!

lock_open Sign Up
End of Preview - Want to read all 63 pages?
Access Now
Unformatted Attachment Preview
1 CHAPTERS 18-22 Survey of Bacteria Chapter 18 – The Archaea 2  Best known for growth in anaerobic, hypersaline (high salt concentration) and high-temperature habitats  Can include psychrophiles, mesophiles, and hyperthermophiles  Also found in marine arctic temperature and tropical waters Archaea found in diverse environments  Grows in geothermally heated water or soils that contain elemental sulfur The Pump Geyser in Yellowstone National3 Park The Methanogens 4  Largest group of Archaea  Strict anaerobes  Obtain energy by converting CO2, H2, formate, methanol, acetate, and other compounds to either methane or methane and CO2 Habitats of methanogens 5  Anaerobic environments rich in organic matter  Methanogens ◼ Rumen and ◼ A cow are found in: intestinal system of animals can belch 200-400 L of methane a day ◼ Swamps and marshes ◼ Anaerobic sludge ◼ digesters Important in wastewater treatment Ecological and practical importance of methanogens 6  Can produce significant amounts of methane    Can be used as clean burning fuel and energy source Is greenhouse gas and may contribute to climate change Sewage treatment plants use the methane produced by methanogens as a source of energy for heat and electricity  1 kg of organic matter can yield up to 600 L of CH4 7 8 9 Methane and Global Warming 10       Most important non-CO2 greenhouse gas Atmospheric ...
Purchase document to see full attachment
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Super useful! Studypool never disappoints.