Lecture 7 Questions - substrates? 11) Draw Phenylalanine...

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Lecture 7: 1) Write the oxidation states of N in the following compounds: NO3-, NO2-, N2, and NH4+ 2) The reduction of N2 to NH3 is difficult because of the _______. 3) What is the name of the enzyme that bacteria use to "fix" nitrogen? 4) What is particularly unique about the co-factor used by the enzyme named in 3? 5) Draw alanine and its respective keto-acid (name it). 6) Draw Aspartate and its respective keto-acid (name it). 7) Draw Glutamate and its respective keto-acid (name it). 8) What prosthetic group do transminases use (Draw it)? 9) What are the three main enzymatic reactions that use Pyridoxal Phosphate as a prosthetic group? 10) What is the name of the bond that tethers pyridoxal phosphate to the enzyme and
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Unformatted text preview: substrates? 11) Draw Phenylalanine and Tryptophan 12) Draw Dopamine and 5-hydroxy-Trp 13) How are amino groups safely transported from the muscle to the liver? 14) Why is it important for ammonium to not be free in the bloodstream? 15) Glutamine Synthetase catalyzes the formation of glutamine, draw this reaction. 16) Glu is the primary carrier of ammonia in terrestial animals, T/F? 17) Glutamine synthetase is regulated ___________ by a variety of products (alanine, glycine, histidine, etc). 18) Glutamine synthetase is completely inhibited by ______________. 19) Bacterial Glutamine synthetase is regulated by _______________. 20) Why is Gln synthetase constitutively active in the human brain?...
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This note was uploaded on 02/02/2010 for the course BIOCHEMIST Biochem 44 taught by Professor Parson,young during the Winter '10 term at University of Washington.

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Lecture 7 Questions - substrates? 11) Draw Phenylalanine...

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