BIOL 1010 Lecture Notes - Hemoglobin, Citric Acid Cycle, Electrochemical Gradient
30 Sep 2013
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Cells term coined by robert hooke: took a piece of cork thinly sliced and examed in and saw the. Cells which remineded of him of the monestary where monks lived, better known as cells, hence the term. 1670s anton van leeuwenhoek made many microscopes and looked at everything; he sold cloth (merchant) he used microscopes for thread count: first to see sperm cells and bacteria (he drew them) 1838 schleiden and schwann all organisms composed of one or more cells. 1855 virchow cells can only arise by division from a pre existing cell. Prokaryotes no membrane bound nucleus/ no membrane bound anything: pro meaning before / karyotes meaning nucleus, bacteria and archaea. Eukaryotes compartmentalized: protists, fungi, animals and plants, eu meaning true. Our eye balls can only see around 200 microns most eukaryoteic cells are between 10 and 100 microns. Ribosomes: large and small subunits: rrna and protein, make protein, found free in cytosol.
