Sophies Bio lectures

Sophies Bio lectures - Biology Lecture #1 8/31/2011...

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Biology Lecture #1 8/31/2011 Register MasteringBio Final exam is CUMULATIVE!!! o December 16 th at 10-12pm MB Score o 50pts total o Drop lowest 5 o Will calculate % (average) o Multiply that by 50 for final MB score Clicker Score o 30 pts total 2pts for correct, 1 pt for incorrect, 0 for no answer o Will calculate average of daily % o Will drop worst 5 days o Multiply that by 30 for final clicker score --------------------------------------------------------------------------------------------------------------------- ----------------- Enzymes o Catalysts o Speed up reaction o End in –ase o Usually named after function Ex: Nuclease East nucleic acid Ex: Kinase Most abundant enzyme in body Works with ATP (energy) Will take phosphate from ATP and “stick it” somewhere else o Phosphorylate Biology Lecture #2 9/2/2011 Enzyme o Made of protein o Catalyst o Increase reaction rate o Ends in –ase Nuclease o Eat nucleic acid Restriction Endonucleases o Eat DNA at a specific sequence 5,000,000 base code in Human DNA Eco RI o Recognizes certain 6 base sequence
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Polymerases o Make nucleic acid Kinases o Phosphorylate things (take P from ATP and put it on something else and vice versa) o Most abundant enzyme in body Biology Lecture #3 9/7/2011 The chemical context of life Biology and chemistry o Cellular processes consist of interactions between molecules Essential elements of life o About 25 of 92 elements
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This note was uploaded on 10/06/2011 for the course BIO 161 taught by Professor Urbance during the Spring '11 term at Michigan State University.

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Sophies Bio lectures - Biology Lecture #1 8/31/2011...

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