Multiple choice

Deamination occurs in liver to

  1. get rid of ammonia from blood

  2. synthesise amino acids

  3. make use of excess amino acids

  4. convert proteins to urea and uric acid

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A Correct answer
Explanation

Deamination in the liver removes amino groups (-NH2) from amino acids, producing toxic ammonia. The liver then converts ammonia to urea via the urea cycle for safe excretion. This process prevents ammonia accumulation while allowing nitrogen waste removal. It's not about synthesizing amino acids or making direct use of excess amino acids.

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