Lecture 7 Questions KEY - Lecture 7: “v _ 1) Write the...

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Unformatted text preview: Lecture 7: “v _ 1) Write the oxidation states of N in the following compounds: NO3-, N02-, N2, and NH4+ +5, +3, 0/, 5% ._ 2) The reduction of N2 to NH3 is difficult because of the E‘EW 3) What is the name of the enzyme that bacteria use to "fix" nitrogen? N 1‘ 'lYLGfiNA‘BL 4) What is particularly unique about the co-factor used by the enzyme named in 3? Tit“ Cu clam) WV film (He :3 V<fi3 _ 1 5) Draw alanine and its respective keto-ac (name 1 . 0 u o _ KKK? \XKO gfimuafi ° 6) Draw Aspartate and its respective keto—acid (name it). C C; L9 _ \ A ~ \( 2 _ b \ _’ " A ‘ (aukk \h/i \Q 0\( K‘ U \‘M ‘99 U NA3® O 0 q 7) Draw Glutamate and its respective keto-acid (name it). c O O C’ t, .t l ' \3 \h- 0V (({hhiqamlg [Kr/C/ .O/ MK 8) What presthetic group do trgnsminases use (Draw it)? Rmamx msmk o“/7\ o,® ,- / \N (S 9) What are the three main enzymatic reactions that use Pyridoxal Phosphate as a prosthetic group? x.) (Ki-‘7r‘c‘fi’9'um i ALHQA ‘1 MA adn‘ uf 5 @ m Ayoleulfi‘w« 3 10) What is the name of the bond that tethers pyridoxal phosphate to the enzyme and substrates? SQMK‘K’S” b»? WUW<\ Arc, : N + 11) Draw Phenylalanine and Tryptophan O b /b/ um, M (UH-g3 12) Draw Dopamine and 5-hydroxy—Trp _ G‘) we? 6* /\/NH” W prv m uo"\// \/ h 13) How are amino groups salier transported from the muscle to the liver? 7113 (Me )Nyrpcvu-u} vV‘A‘l’b {Hm/\va in ‘thk GM“- Oiai/UN a cw? HM lawman ML H~z \omecx 9% Jew] iivip, 14) Why is it important for ammonium to not be free in the bloodstream? NW5 5 6» Miwfixin, my» l") %« umukéfi‘vg "M M Stud) 15) Glutamine Synthetase_ catalyzes the formation of lut 'ne, draw this reaction. AS? (>09 e.% « O 0 O 6» \3 ' C C) ‘ \K“ l \‘5 )t \u’ , of K 0 H1,“ \% NH§° Mao NW 16) Glu is the primary carrier of ammonia in terrestial animals, ® (film i 3 H4 v‘wma Carer LEW 44* «Harv? as m {S 17) Glutamine synthetase is regulated (Emma-r v12; by a variety of products (alanine, glycine, histidine, etc). 18) Glutamine synthetase is completely inhibited by «37123 @Urdci‘i‘” . l9) Bacterial Glutamine synthetase is regulated by cwle \gkt’l‘w" . 20) Why is Gln synthetase constitutiver active in the human brain? “in km tum—a in was 3w (3“ MW Is whit/(Masai. 3a Q‘flh K3 QM, ...
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Lecture 7 Questions KEY - Lecture 7: “v _ 1) Write the...

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