10 Questions
What is the main source of ammonia in the human body?
Transamination reaction
In which condition would a person most likely experience acquired ammonia neurotoxicity?
During a congenital disorder
What happens to excess amino acids in the human body?
Excreted as urea
Which of the following amino acids is classified as nutritionally nonessential?
Alanine
In which of the following conditions would a positive nitrogen balance most likely occur?
Pregnancy
What is the primary form of nitrogen excretion in the body?
Urea
In the glucose-alanine cycle, alanine is primarily formed in which organ?
Liver
Which amino acid is a precursor for the synthesis of glutamate?
Aspartate
What is the fate of excess ammonia generated from the metabolism of glutamine?
Excretion in urine as urea
Which amino acid can be synthesized from glutamate?
Arginine
Test your knowledge of the sources and fate of ammonia, as well as the causes of ammonia neurotoxicity and amino acid requirements in humans, specifically in the context of medical biochemistry and molecular biology.
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