Excretion 0.0 / 5 ? BiologyExcretionA2/A-levelOCR Created by: SqueegyLCreated on: 28-03-15 12:48 Excretion The Removal of metabolic waste from the body 1 of 8 Metabolic Waste Consists of waste substances that may be toxic 2 of 8 2 Main substances to be excreted C02 and Urea 3 of 8 How is C02 excreted When we breath out 4 of 8 How is Urea exrected removed from the blood in the kidneys and becomes part of the urine 5 of 8 Deamination Equation Amino Acid + 02 > Keto Acid + Ammonia 6 of 8 Urea Formation Equation Ammonia + C02 > Urea + H2O 7 of 8 Deamination Removal of the amine group fro an amino acid to produce ammonia 8 of 8
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