CAS BI 107 Lecture Notes - Lecture 12: Banded Iron Formation, Cellular Respiration, Green Algae
4 Nov 2016
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Professor schneider will not be here on friday 10/7. Both learning curve hw and stickleback video +worksheet (on hhmi: biointeractive website) are due. Finish the stickleback worksheet before coming to class on oct 17th (even though not graded). Mitochondria and chloroplasts contain their own genome. Mitochondrial genome is very closely related to a preobatacteria. Mitochondria and chloroplasts are bacteria that was incorporated into a cell. Mitochondria and chloroplasts still carry out their ancestral function. Endosymbiotc hypothesis!- cell engulfed bacteria (mitochondria or chlrooplasts) and was not digested: beneficial to the cell- increase of fitness, coevolve with the cell over time, evidence comes from phylogeny of mitochondrial and. Q: the evolution of aerobic metabolism is important because. A: aerobic metabolism is much more efficient at extracting energy from organic molecules and aerobic metabolism allows for the evolution of larger and more complex life forms (a and b) Not aerobic metabolism characterizes all life on earth presently!
