Lecture 3a - ANNOUNCEMENTS 1 QUIZ NEXT WEDNESDAY 9/6 DON'T...

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Unformatted text preview: ANNOUNCEMENTS 1. QUIZ NEXT WEDNESDAY 9/6. DON'T BE LATE-- WE START JUST AFTER 10:10. BE SURE TO TALK TO PROF. F. IF YOU HAVE ANY SPECIAL PROBLEMS. REALLY. 2. PROF. F. WOULD LIKE TO MEET WITH ANY INTERESTED STUDENTS ON FRIDAY 9/1. TOPIC: “HOW TO FIND A LAB FOR UNDERGRAD RESEARCH AT CORNELL. WHAT ARE THEY LOOKING FOR?! WHAT DO I DO WHEN I GET THERE?!” COMSTOCK B106, 1:25 - 2:15PM . 3. RASMOL: OFFICE HOURS + REVIEWS IN SUN 1 - 3PM; REVIEW SESSION IN BIOTECH G01 TUE 4:30 - 5:30PM THE FIRST RASMOL ASSIGNMENT IS THE TUTORIAL, PP. 289- 293 OF THE LG. ALL INSTRUCTIONS ARE THERE. USE THE CD-ROM THAT CAME WITH THE LG, AND GO THROUGH IT SYSTEMATICALLY . CARPENTER ORANGE COMPUTER LAB 5. WANNA TAKE SOME ACTION ON GLOBAL HEALTH ISSUES?! 4. USE THE VOH TO SEND QUESTIONS ABOUT HOMEWORK. USE ME FOR SUCH QUESTIONS ONLY AFTER YOU HAVE USED OFFICE HOURS (PHYSICAL OR VIRTUAL) Cornell Health International Take Action in Global Health! Questions? Email [email protected] First General Meeting: Tuesday, September 5 th 4:45PM Goldwin Smith HEC Auditorium *Events* *Publications* *International Service Work* *National Expansion* MONDAY'S LECTURE IONIZABLE GROUPS; HOW TO USE THE HENDERSON-HASSELBALCH EQ. NOTES ON H-H EQ: HIGHER pKa MEANS HIGHER AFFINITY FOR H + IF pH >> pKa THEN H + IS PREDOMINANTLY OFF IF pH << pKa THEN H + IS PREDOMINANTLY ON pH = pKa + log[UN]/[PROT] THEREFORE WHEN [UN]/[PROT] = 1, pH = pKa EASY TO CONVERT FROM THE CALC RATIO TO A FRACTION : e.g. LET [UN]/[PROT] = 3, WHAT IS THE FRACTION OF IONIZABLE GROUPS THAT ARE PROTONATED?...
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Lecture 3a - ANNOUNCEMENTS 1 QUIZ NEXT WEDNESDAY 9/6 DON'T...

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