Lecture-1-Themes-in-_37184

Lecture-1-Themes-in-_37184 - TheDawnof Homer Chimpus...

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Chimpus Apes tupidus Neanderslob The Dawn of omer Monkious atalotis imbecilus stupidus Homer eatalotis Homersapien The process of understanding biology begins with curiosity & inquiry –answers come from a methodical approach of scientific observa tion & experimentation. Understanding the enormity of biology begins by developing a view of life based on a few “big ideas” or themes that permeate all areas of biology: Emergent properties Exchange of Matter & Energy rm Fits nction Cells – basic unit of life DNA–molecule of life iological systems are regulated Form Fits Function Biological systems are regulated The big one Æ Evolution
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• In BIOL 1361 we will be exploring the features nd properties of life ften om a eductionist and properties of life often from a reductionist viewpoint. eductionism: examine the “parts” that make up the Reductionism: examine the parts that make up the complex form in order to understand how it functions. s the “parts” are put back together new features As the parts are put back together, new features emerge that the individual components themselves do ot possess. [emergent properties] not possess. • The reductionist approach reveals the scope of iology as it is organized into different levels: biology as it is organized into different levels: – Largest (biosphere, i.e., Earth) to smallest (atoms) – The dividing line between life & non-life: the level of the cell emergent properties ; depends upon arrangements & interaction of components at each level.
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Levels of Biological Organization The biosphere Ecosystem: (All living + non- ving components living components in a specific area) Forest Communities (all living species a specific area) in a specific area) Populations (all members of a pecies in an area) Organisms (individuals) species in an area) Maple trees Single maple tree
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Levels of Biological Organization (continued) Organs & organ systems ( 2 or Cells* Cell rganelle 10 μm more tissues ) Organelle (molecules arranged to form a functional component) Leaf of a aple tree Chloroplast issues 1 μm maple tree hlorophyll Atoms Tissues (group of similar cells) 50 μm Chlorophyll molecule Molecules (combinations of atoms) What is the lowest level at which photosynthesis will occur?
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Systems Biology Outer membrane and cell surface Cytoplasm ucleus • A systems biology approach examines the atures of a whole Nucleus
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This note was uploaded on 08/16/2011 for the course BIOL 1361-1362 taught by Professor Any during the Spring '08 term at University of Houston.

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Lecture-1-Themes-in-_37184 - TheDawnof Homer Chimpus...

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