C Haney 26. Which substance in the synthesis of urea in the urea cycle? B) malat

Question

C Haney 26. Which substance in the synthesis of urea in the urea cycle? B) malate C) ATP D) onithine E) carbamoyl phosphate if a person's uwcarbohydrate, v 27, ra urine contains high concentrations of un ea, which diet have they probably been eating A) Very high very low protein hgh proteinin B) Very low carbo C) Very high fat, lovw D) Very high carbohy drate, fat, high carbohydrate, low protein E) Very high fat, very low protein 28. An metabolite in purine degradation in humans is: A) glutamic acid (glutamate) B) succinic acid (succinate) C) uric acid (urate) D) urea E) ammonia 29. If cells were unable to obtain tetrahydrofolic acid (Ha folate), it would result in an inability to synthesi A) oxaloacetate B) alanine C) serine D) malate E) guanine 30. The human disease phenylketonuria (PKU) can result from: A) Inability to synthesize phenylalanine B) Inability to convert phenylalanine to tyrosine C) Inability to catabolize ketone bodies D) Production of enzymes containing no phenylalanine E) Deficiency of protein in the diet CHEM 432 Exam 3

Explanation / Answer

1- in mammals urea synthesis in liver during krebs Henslet cycle

2-

3- carbamoyl phosphate is not formed during urea cycle. While all the other substrate are sequential formed during urea cycle.

4- high concentration of Urea in a person urine Express the low Carbohydrate and high protein diet.

5 - metabolite during purine degradation is uric acid.

6 - phenylketonuria disease is the condition in which person have uses the ability to change phenylketonuria into other substances like tyrosine

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