Difference between revisions of "Urea"
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: [[Urea]] is made in the [[liver]]. The [[liver]] breaks down [[protein]]s first [[product|producing]] [[ammonia]] which is then quickly turned into [[urea]]. | : [[Urea]] is made in the [[liver]]. The [[liver]] breaks down [[protein]]s first [[product|producing]] [[ammonia]] which is then quickly turned into [[urea]]. | ||
: [[Urea]] passes through the [[blood]] and is removed by the [[kidney]]s. This forms [[urine]] which is then stored in the [[bladder]]. | : [[Urea]] passes through the [[blood]] and is removed by the [[kidney]]s. This forms [[urine]] which is then stored in the [[bladder]]. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/1782946381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946381&linkCode=as2&tag=nrjc-21&linkId=5ec5fc3f6429e30c1d9ab9bca2bccf93 ''Urea, page 165, GCSE Combined Science Trilogy; Biology, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945954/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945954&linkCode=as2&tag=nrjc-21&linkId=100574c08fbbb64318256eb79ed61a76 ''Urea, page 216, GCSE Biology, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Urea, page 251, GCSE Chemistry; Student Book, Collins, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945563/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945563&linkCode=as2&tag=nrjc-21&linkId=9a1d023a374038e6072f33c4f3cf808b ''Urea, page 75, GCSE Biology; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f576 ''Urea, pages 116, 198-9, GCSE Biology; Student Book, Collins, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Urea, pages 52, 141, 184-187, GCSE Biology; Third Edition, Oxford University Press, AQA ''] | ||
Revision as of 16:29, 14 November 2019
Contents
Key Stage 3
Meaning
Urea is a mixture of Nitrogen compounds formed when the body breaks down unwanted proteins.
Key Stage 4
Meaning
Urea is a mixture of Nitrogen compounds formed when the body breaks down unwanted proteins.
About Urea
- Urea is made in the liver. The liver breaks down proteins first producing ammonia which is then quickly turned into urea.
- Urea passes through the blood and is removed by the kidneys. This forms urine which is then stored in the bladder.
References
AQA
- Urea, page 165, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Urea, page 216, GCSE Biology, CGP, AQA
- Urea, page 251, GCSE Chemistry; Student Book, Collins, AQA
- Urea, page 75, GCSE Biology; The Revision Guide, CGP, AQA
- Urea, pages 116, 198-9, GCSE Biology; Student Book, Collins, AQA
- Urea, pages 52, 141, 184-187, GCSE Biology; Third Edition, Oxford University Press, AQA