35 - LECTURE 35 ANNOUNCEMENTS 1. NO OFFICE HOURS OR REVIEW...

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LECTURE 35 ANNOUNCEMENTS 1. NO OFFICE HOURS OR REVIEW SESSIONS NEXT WEEK, 11/22 - 11/26 2. MAKE-UP FINAL EXAM: WED 12/15 9 - 11:30AM. ROOM TBA. YOU MUST E-MAIL PROF TO DESCRIBE CONFLICT BEFORE WED 11/24 3. NO CLASS ON WED 11/24. LAST QUIZ WED 12/1 (NO PyMOL, LECT 11/15 - 11/22) MONDAY’S LECTURE PHOTOSYNTHESIS: KEY EVENTS AFTER PHOTON ABSORBED: PHOTON ENERGY TRANSFER, e - TRANSFER, AND PHOTOCHEMISTRY TODAY ENERGY STORED ACROSS INNER MITO MEMB AS GRADIENT OF H+ AND VOLTAGE USED BY ATP SYNTHASE ENZYME EVENTS IN PSII, Cyt bf COMPLEX, AND PSI 4. LAST "FRIDAY DISCUSSION" OF THE SEMESTER: MED SCHOOL INTERVIEW EXPERIENCES (3 FORMER BIOCHEM STUDENTS) 11/19 AT 2:55PM IN COMSTOCK B108 5. CU PRE-DENTAL SOCIETY TALK ON TH 11/18 AT 5PM IN ROCKEFELLER 105 6. MANY OF YOU HAVE NOW TAKEN YOUR LAST QUIZ! (NO ONE CAN TURN IN > 9) 7. RECENT HIGH-QUALITY VIDEO OF EVENTS INSIDE MITOCHONDRIA: http://www.youtube.com/watch?v=RrS2uROUjK4
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OVERVIEW OF EVENTS IN PHOTOSYSTEM II QuickTimeª and a decompressor are needed to see this picture. QuickTimeª and a decompressor are needed to see this picture. THE "ANTENNA" TO ABSORB LIGHT: A LIGHT-HARVESTING COMPLEX (LHC) ESSENTIALS OF THE REACTION CENTER 100x MORE LHC THAN RXN CENTERS "PROBLEM" FACED BY PS II: 1. PHOTONS ENTER ONE-AT-A-TIME; 2. BUT FORMATION OF O 2 FROM 2H 2 O IS A 4 e - RXN.
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EVENTS IN PSII STROMA STROMA LUMEN e - e - e - QH2 QH2 QH2 QH2 QH2 Tyr e - e - 1 2 3 4 5 6 7 O 2 DIRECTION OF H + PUMPING 4 h ν 9 2H 2 0 4H + + 2Q + 2H 2 O 4H + + 2QH 2 + O 2 + 4H + 1. ENERGY TRANSFER: SPECIAL PAIR OF CHLOROPHYLL A MOLECULES, IN THE PHOTOSYNTHETIC REACTION CENTER, WITH MAXIMUM LIGHT ABSORPTION AT 680 nm, ACCEPT ENERGY FROM ANTENNA VIA ENERGY TRANSFER . THIS PIGMENT IS P680 . •ΑΦΤΕΡΤΗ Ε ΕΝΕΡΓ Ψ ΗΑΣ ΒΕΕΝ ΑΒΣΟΡ ΒΕ∆, ΤΗΙΣ ΜΟΛΕΧΥΛΕ ΒΕΧΟΜΕΣ ΘΥΙΤΕ ∆ΙΦΦΕΡ ΕΝΤ ΧΗΕΜΙΧΑΛΛΨ!ΙΤ ΙΣΝ ΟΩ ΧΑΛΛΕ∆ Π680 . Π680 ΗΑΣΑ ΜΟ∆ ΕΡ ΑΤΕΛΨ ΣΤΡΟΝ Γ ΤΕΝ∆ΕΝΧΨ ΤΟΤ Ρ ΑΝΣΦΕΡΕΛΕ ΧΤΡΟ ΝΣ (ΝΕΓ . ΣΤΑΝ∆.Ρ Ε∆. ΠΟΤΕΝΤΙΑΛ ∠0.5ς 29 . •ΣΟ ΤΗΕ Ος ΕΡ ΑΛΛ ΦΙΡ ΣΤ ΣΤΕΠΙ ΣΑ Ν ΕΝΕΡ Γ Ψ ΤΡ ΑΝΣΦΕΡ ΦΡΟ Μ ΑΝΤΕΝΝΑ ΠΙΓ ΜΕΝΤΣ
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35 - LECTURE 35 ANNOUNCEMENTS 1. NO OFFICE HOURS OR REVIEW...

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