BIO 200 Lecture Notes - Lecture 13: Nuclear Membrane, Pseudopodia, Oomycete
6 Dec 2016
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Document Summary
Origin of the eukaryotic cell ; flexible cell surface, cytoskeleton, nuclear envelope, digestive vacuoles, endosymbiosis. First stage in the evolution of the eukarya is the loss of cell wall, then it creates the origin of the nucleus and er, then the mitochondria, then the cloroplast (for. Protist- locomotion have false feet, flague, water propulsion. Nutrition- all forms except chem, they use photo, etc. Alveolates- monophyletic group of single celled organisms. Dinoflagellates are photosynthetic and have two flagella within two groves on their surface, also close red tides. Ciliates moves using cilia and are heterotrophic. Alveolates are a very close group of protist that include photosynthesizes, parasites, heterotrophs. Stramenopiles membrane are characterized by fine hairs extending from their flagella. Diatoms are often photosynthetic and excrete protective silica shells. Oomycetes are not molds and use external digestion. Rhizaria are all unicellular and aquatic, rigid pseudopodia. Diplomonads and parabasalids do not have mitochondria.
