StudentLecture_12_Oct6

StudentLecture_12_Oct6 - Lecture 12 10/6/2009 Molecular...

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1 Lecture 12 10/6/2009 Molecular Geometry Reading for Lecture 12 : Sections 8.2 pp 353- 356, 8.4, 8.5, pp. 361-367 No Lab this week. Homework due Friday. Reading for Lecture 13: Sections 8.6, pp. 367-375 and Lab, Chapter 5
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2 3-D Molecular Shape and Vision Rhodopsin is responsible for vision. of 11- cis -retinal a large protein. Note how 11- cis - retinal “fits” into the protein to allow it to bond.
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3 3-D Molecular Shape and Vision When light strikes the molecule, the shape will change via a rotation around the 11-12 bond.
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4 3-D Molecular Shape and Vision When the shape changes, the molecule no longer “fits” on the protein, and they separate. This change in shape and separation from the protein contributes to the electrical signal that travels through your neurons as “vision.”
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5 Structure and Shape Structure and shape drive chemical reactivity. Drug synthesis and development Management of diseases Many biochemical processes Catalytic production of specific polymers Taste is based upon molecular structure Lewis structures are a guide to molecular structure .
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This note was uploaded on 02/21/2010 for the course CHEM 115 taught by Professor L during the Spring '02 term at Purdue.

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StudentLecture_12_Oct6 - Lecture 12 10/6/2009 Molecular...

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