In the urea cycle, the carbon skeleton of aspartate is preserved as:

Urea cycle is located in the cytosol of the liver cells and matrix of mitochondria. Urea is a non-toxic compound that is transported via the bloodstream to the kidney where it is excreted with the urine. The enzyme aspartate aminotransferase catalyze transamination between glutamate and oxaloacetate, resulting  aspartate enters urea cycle.

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.