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2_printout - Announcements / review Remember: Keep current...

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Announcements / review Remember: Keep current with the textbook reading (see syllabus online): Reading for today: Chapters 1 and 2, and pages 71-82 Reading for tomorrow: pages 82-94, 102-106 Assigned problems (do not turn in): N&C : Ch. 3: #3a, 6a SG : p.32: #3; p.34: #1 Yesterday: Course overview, grading, etc. Intro to biologically important molecules NOTE : YESTERDAY WE DID NOT GET TO THE LAST SLIDE! This is not the last time this will happen. If I don ʼ t talk about a slide, you don ʼ t need to know it. If it is important enough, I will put it in a later lecture. Today: Amino acids, the building blocks of proteins!
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Proteins are “folded” linear polymers of amino acids Linear amino acid polymer Folded protein
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Amino acids: general structure amino acid “R-group” or “side-chain” The R-group / side-chain: Post-translational modifcation
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Amino acids are chiral!
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Titration curve for glycine Start with glycine in acidic solution:
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Ionizable groups in amino acids pKa :
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What you need to know about pKa for this course: First, what is the pH of the solution?
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This note was uploaded on 01/28/2011 for the course BIOG 3350 taught by Professor Blakenship during the Spring '11 term at Cornell.

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2_printout - Announcements / review Remember: Keep current...

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