FINAL EXAM REVIEW - No unicellular animals The yeast is...

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No unicellular animals The yeast is unicellular- astromyces was multicellular (the ancestor) was reversal because yeast derives from astromyces and is unicellular Mitochondrial evidence showed that #18 on practice exam malaria is caused by four different species of plasmodium in the human host the reproduction is exclusively asexual multiple divisions before cytokinesis goes from liver to red blood cells, when in blood cells that’s when you show symptoms recurring high fevers, delerium, chills gametocytes in red blood cells, macro and micro wait for mosquito micro fission and macro fission join MACRO AND MICRO SEXUAL round Sexual in gut of mosquito Different groups of eukaryotes that are photosynthetic got to be that way by primary endosymbioses, brought into its cell a cyanobacteria (photosynthetic) All have two membranes around them, the original from the prokaryotic cell and the other is the cell membrane from the engulfing of the eukaryote Secondary endosymbiosis in brown algae, euglenas We can recognize they’re secondary because they have four cells around them- the original cell
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Fungi- can go sexual and asexual Can produce spores, spores are dispersing stage Go into hyphae In more derived they have a heterokaryotic stage, two haploid mycelia will meet and partially fuse together so nuclei from each of them move into eachother (ditarion- each cells has two fully separate nuclei in the cell). Then can produce a reproductive structure in which the two nuclei in the cell can fuse together, and then you have a diploid nucleus which can go under meiosis and spores and spores go and disperse and do everything over again in protostomes once the zygote divides into two cells the fate of those cells are fixed, you can’t make them into embryos deuterostomes- you can take a 2, 4 or 8 cell stage and disassociate the cells and they can grow and be a new embryo INDETERMINATE DEVELOPMENT Lichin looks like a single organism but is in fact two. It is a fungus that is in partnership with a photosynthetic organism usually eukaryotic algae but also
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This note was uploaded on 12/19/2010 for the course BIO 2342 taught by Professor Smith during the Spring '10 term at Michigan State University.

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FINAL EXAM REVIEW - No unicellular animals The yeast is...

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