Explain protein deamination.
- Leaving Cert Home Economics - Question 1 - 2015
Question 1
Explain protein deamination.
Worked Solution & Example Answer:Explain protein deamination.
- Leaving Cert Home Economics - Question 1 - 2015
Explain the purpose of protein deamination
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Protein deamination is the process by which excess protein is utilized for energy when it is consumed in surplus.
Describe the role of the liver in deamination
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This process occurs primarily in the liver, where it breaks down amino acids from excess protein.
Discuss the conversion of amino groups
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During deamination, the amino group (NH₂) of amino acids is converted into ammonia, a toxic compound.
Explain the formation of urea
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The ammonia produced is then converted into urea, which is less toxic and can be safely excreted.
Outline the excretion process
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Urea is filtered from the blood by the kidneys and excreted in urine as a waste product.
Discuss the fate of carboxyl groups
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The carboxyl group (COOH) of the amino acids is oxidized, contributing to the production of heat and energy.
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