2003exam2 - Biochemistry 441 The exam has 7 pages. Hour...

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1 Biochemistry 441 Hour Exam 2 Febuary 28, 2003 The exam has 7 pages. 1 / Name:_________________________________________ 2 / 3 / Student number:_________________________________ 4 / 5 / 6 / 7 / total /100 1 (3 points) Ammonium ion is released in the liver by A reductive deamination of alanine. B oxidative deamination of glutamate. C glutamine synthase. D formation of carbamoyl phosphate. E transamination. 2 (3 points) Which of these directly donates a nitrogen atom for formation of urea during the urea cycle? A ornithine B aspartate C glutamate D adenine E none of the above 3 (3 points) Metabolism of the amino acids serine, alanine and cysteine yields (most directly) A succinate. B fumarate. C a -ketoglutarate. D pyruvate. E acetoacetate. 4 (3 points) The human genetic disease phenylketonuria can result from A inability to synthesize phenylalanine. B inability to catabolize ketone bodies. C inability to convert phenylalanine to tyrosine. D production of enzymes containing no phenylalanine. E deficiency of protein in the diet.
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2 5 (3 points) Nitrogenase A
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This note was uploaded on 04/07/2008 for the course BIOC 441 taught by Professor Young&parson during the Winter '08 term at University of Washington.

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2003exam2 - Biochemistry 441 The exam has 7 pages. Hour...

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