Biology Notes 1-30-08

Biology Notes 1-30-08 - Biology Notes January 30, 2007...

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Biology Notes January 30, 2007 Bread Molds: -+ and – mating types -hyphae recognize eachother -they fuse together to allow the +and – nuclei to fuse (ie: we get a zygote) Cup fungi: -+ and – mating strain -there is an extended period of development after the + and – hyphae meet -a heterokaryon is formed = dikaryon -dikaryon hyphae form fruiting structure Basidiomycota: -“club fungi” -one interesting feature is the formation of clamp connections in the dikaryotic phase ^Clamp connections^ Mycorrhizae: a symbiotic association of the mycelium of a fungus, esp. a basidiomycete, with the roots of certain plants, in which the hyphae form a closely woven mass around the rootlets or penetrate the cells of the root. The next view of biodiversity involves more eukaryotes. We will look at an artificial group of organisms called protists.
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Biology Notes January 30, 2007 Vocabulary: Dikaryon - The state in certain fungi in which each compartment of a hypha contains two nuclei, each derived from a different parent. Mychorrizae -
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This note was uploaded on 05/02/2008 for the course BIOL 102 taught by Professor Hill/smith during the Spring '08 term at Idaho State University.

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Biology Notes 1-30-08 - Biology Notes January 30, 2007...

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