Examlex
The only clue to the fate of the Roanoke colony was the cryptic inscription "________" carved on a post.
Nitrogenous Waste
Waste products that contain nitrogen, such as urea or ammonia, which are produced by the breakdown of proteins and nucleic acids in the body.
Urea
A waste product formed in the liver, the final product of protein metabolism, which is excreted in the urine.
Ketones
Organic compounds produced during the breakdown of fats in the body and used as an energy source, especially in the context of low glucose availability.
Glucose
An essential sugar that acts as a vital source of energy for living organisms and is included in multiple carbohydrate compounds.
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