Order of toxicity among ammonia,urea and uric | vedclass

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Question

(A) $(i)$ Ammonia $(NH_{3})$: It is the primary metabolic waste of protein metabolism. Ammonia is produced in the liver through the process of deamina

Vedclass · Accepted Answer

Uric acid < urea < ammonia

Vedclass · Answer

(A) $(i)$ Ammonia $(NH_{3})$: It is the primary metabolic waste of protein metabolism. Ammonia is produced in the liver through the process of deamination. It is highly toxic and requires a large amount of water for its excretion.$(ii)$ Urea: $A$ white crystalline solid product produced in the liver from $CO_{2}$ and $NH_{3}$. It is comparatively less toxic than ammonia. The normal level of urea in the blood is $18-38 	ext{ mg}/100 	ext{ mL}$.$(iii)$ Uric Acid: It is the least toxic and is insoluble in water. It is produced in the liver by purine catabolism in birds and reptiles. It can be excreted in solid or semisolid form,which helps in water conservation. Therefore,the order of toxicity from lower to higher is: Uric acid < Urea < Ammonia.

Order of toxicity among ammonia,urea and uric acid (from lower to higher) is

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