01:119:101 Lecture Notes - Lecture 3: Black Bread Mold, Agaricus Bisporus, Basidiocarp
25 Feb 2016
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Document Summary
Source of small organic molecules: intro. C. absorptive heterotrophs : rely on other organisms. Do not ingest food: resource acquisition, hydrolases (enzyme, polymers monomers, absorb predigested food, moist environments, main types of fungi, decomposers. Body structure: main types, multicellular filaments, single-celled species; yeasts, multicellular, hypha(e) basic unit; long branched filaments ; tubular cell wall cell wall surrounds plasma membrane and cytoplasm. Plants supply fungi with organic nutrients such as carbs two types of mycorrhizae. 1: ecromycorrhizal fungi- sheaths of hyphae over a root and also grow into extracellular spaces of the. 2: arbuscular mychorrhizal fungi extends hyphae through the cell walls of root cells and into tubes formed by invagination of the root cell membrane. 2, haustoria are a key to a relationship in mycorrhizae mutually beneficial relationships between fungi and plant roots haustoria- speciailized hyphae that penetrates host tissues.
