Which Substance Would Cause the Greatest Loss of Water When

Question

Which substance would cause the greatest loss of water when consumed?
A) Proteins, because they require urea for catabolism
B) Carbohydrates, because they generate carbon dioxide
C) Lipids, because they generate nitrogenous wastes
D) Proteins, because they generate urea

Accepted Answer

Proteins generate urea as a waste product during their metabolism, which requires significant water for excretion, leading to a greater loss of water.