Biology 1002B Lecture Notes - Chloroplast, Phosphodiesterase, Sodium Channel

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No empirical evidence that to prove that complexity increased during evolution. Eukaryotic cells are more complex than prokaryotjc cells. Animals and plants are more complex than protists. Measuring complexity: genome size of total number of genes, gene (copy) number the number of copies of a gene in a given gene family from gene duplication increase in organismal size over evolution. Evolution leads to decrease in size opposes this idea. Build up population numbers in intermediate hosts. Enhance parasite"s chance of infecting a primary host spreading early stages among intermediate hosts conserves resources of primary host. Enable adult parasite to remain productive for long periods. Identify the main structural components of chlamydomonas cells. 2 anterior flagella (cilia) for motility and mating. Identify the relationship between chlamydomonas and the evolutionary common ancestor of animals and plants. Streptophytes (land plants) descendant over a billion years ago. Source of information about environment: characteristics of chlamydomonas that make it a useful model system.

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