g In humans and higher primates, is the final product of purine base catabolism and is excreted in urine. However, its inadequate excretion is a cause of a disease called

Humans and greater primates excrete water, broken down proteins and Urea. Many things cause unusual urine, Urea gives urine its yellow color a lack of urea can mean kidney failure. however it's hard to tell a lack of urea by just looking at urine as drinking excessive amounts of water turns the color clear and drinking caffeine turns the color reddish or brown so lab testing must be done

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.