[BIOL BC 1500x] - Final Exam Guide - Ultimate 67 pages long Study Guide!
29 Nov 2016
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Bacteria small, usually single-celled, little organization in cells. Fungi and animals more closely related to each other than either is to plants. No cell walls (cellulose structures in plant cells) Cannot undergo photosynthesis (do not have suitable biochemical functions) Special connections between cells which allow cells to communicate (intercellular junctions) Multicellular, even though all start as single cell (fertilized egg) Some motile as larvae but still (sessile) as adults. Important to evolution (chasing food, moving throughout environment for comfort) but you have to know where you"re going -> contributed to evolution of sensory capability and neural processes/ability. Tissues vs. no tissues (parazoa [sponges] and eumetazoa [everything else]) Metabolism equation: food + o2 -> energy + nutrients -> waste. Energy and nutrients released from food through metabolic processes. Energy comes from calorie-rich food (fat and carbohydrates. Bulk nutrients: animals have to eat a substantial amount. Fixed carbon: carbon in a biological molecule, used to build more molecules.
