BIOL 119 Chapter Notes - Chapter 29: Cellular Respiration, Anoxygenic Photosynthesis, Gram Staining
Document Summary
Archaea- unique phospholipids in their plasma membranes- hydrocarbon tails of the phospholipids are made from isoprene. Dna polymerases, rna polymerases, transcription-inhibition proteins, and ribosomes in. Archaea and eukarya are similar and distinct from those found in bacteria: good- if all ribosomes were the same the antibiotics that attacked bacterial ribosomes would also kill humans along with the targeted bacteria. More is known about eukaryotic diversity than prokaryotes even though there are many more prokaryotes than eukaryotes. Extremophiles- bacteria or archaea that live in high-salt, high-temperature, low- temperature, high-pressure habitats, ph less than 1. 0, temps less and 0 degrees. Origin of life- it appears likely that the first forms of life lived at high temperature and pressures in environments that lacked oxygen. Virulence, the ability to cause disease, is a heritable trait that varies among individuals in the population. Some bacteria have acquired virulence genes that codes for the protein toxin.
