CLASS 11

CLASS 11 - CLASS 11: From Molecules to Cells Reading:...

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CLASS 11: From Molecules to Cells Reading: Chapter 8 What is “Life”? 1) In 1928, Friedrich Wohler made urea (an organic compound) by heating a salt called ammonium cyanate (an inorganic compound) Why did this chemical discovery generate so much surprise? 2) Briefly summarize our class discussion about the challenges of defining what we mean by “life” 1 – The laws of chem. Apply equally to molecules in a cell and test tube; the biological properties of living cells arise from the various types of molecules they contain and the interactions b/w them 2- cells, reproduce (so can a comp virus), absorb/excrete matter The Cell as the “Unit of Life” 1) What feature is used to distinguish between prokaryotic cells and eukaryotic cells ? 2) How did a study of genetic information lead to the discovery of a third general type of cell? 3) What is unusual about the environments in which these cells are often found? 4) Briefly describe the hierarchy of molecular organization that exists in a simple cell like an
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This test prep was uploaded on 04/18/2008 for the course MAP 133 taught by Professor Jordan during the Fall '07 term at NYU.

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CLASS 11 - CLASS 11: From Molecules to Cells Reading:...

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