Question

Which of the following is correct and most accurately describes the complete urea cycle of the eukaryotic cell?
Choose one:A. The urea cycle occurs completely within the cytoplasm of the eukaryotic cell.B. The urea cycle occurs between the inner mitochondrial membrane and the matrix of the eukaryotic cell.C. The urea cycle occurs between the mitochondrial matrix and the cytoplasm of the eukaryotic cell.D. The urea cycle occurs completely within the mitochondrial matrix of the eukaryotic cell.

Part 2   (1 point)

See Hint

Which cellular change(s) would not encourage the Krebs bicycle and thus the probability of the urea cycle taking place to completion?
Choose one or more:A.increased aspartate charging to mitochondrial tRNAsB.increased citrulline being transported into the cytoplasmC.increased import of ornithine into the mitochondriaD.increased conversion of oxaloacetate into citrate

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Answer 1

Answer=

Which of the following is correct and most accurately describes the complete urea cycle of the eukaryotic cell?
C. The urea cycle occurs between the mitochondrial matrix and the cytoplasm of the eukaryotic cell.

Explanation= In humans and mammals ,almost 80% of the nitrogen excreted is in the form of urea,which is produced through a series of reactions occuring in the cytosol and mitochondrial matrix of liver cells.

The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells.

Part 2   (1 point)

See Hint

Which cellular change(s) would not encourage the Krebs bicycle and thus the probability of the urea cycle taking place to completion?
Choose one or more:A.increased aspartate charging to mitochondrial tRNAsB.increased citrulline being transported into the cytoplasmC.increased import of ornithine into the mitochondriaD.increased conversion of oxaloacetate into citrate