AQA GCSE Biology · 8461
Specification 4.5.3.3 · Paper 2
Revise: Excretion and the Formation of UreaThe liver removes the amino group from an excess amino acid in a process called deamination.
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GCSE Biology · key term
The removal of the amino group from an excess amino acid in the liver, producing ammonia.
Used by AQA and Edexcel
Specification 4.5.3.3 · Paper 2
Revise: Excretion and the Formation of UreaThe liver removes the amino group from an excess amino acid in a process called deamination.
Specification 7.22B · Paper 2
The removal of the nitrogen-containing part of an amino acid during its breakdown in the liver.
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During this breakdown, called deamination, the nitrogen-containing part of the amino acid is removed. The liver produces urea, a waste substance, from this nitrogen-containing material. The key link is: excess amino acids → breakdown in the liver → urea.