13 - CHM 11500 (Fall 2011, this lecture has been moved to...

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1 CHM 11500 (Fall 2011, this lecture has been moved to 10/3-4) Lecture 13 Reading 10.1
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2 This Week in Chemistry Attend lecture and recitation Homework due on Friday No lab this week! Compensation for night exams.
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3 3-D Molecular Shape and Vision Rhodopsin is responsible for vision. Rhodopsin consists of 11- cis -retinal covalently bonded to a large protein. Note how 11- cis - retinal “fits” into the protein to allow it to bond.
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4 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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5 3-D Molecular Shape and Vision When the shape changes, the molecule no longer “fits” with 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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Models of 3-D Shapes Connectivity between atoms from a molecular formula, C 8 H 10 N 4 O 2 , caffeine. Gives us information
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13 - CHM 11500 (Fall 2011, this lecture has been moved to...

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