Difference between revisions of "Urea"
| (2 intermediate revisions by the same user not shown) | |||
| Line 10: | Line 10: | ||
: [[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]]. | ||
| + | |||
| + | ===References=== | ||
| + | ====AQA==== | ||
| + | |||
| + | :[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 ''] | ||
| + | |||
| + | ====Edexcel==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/1292120207/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120207&linkCode=as2&tag=nrjc-21&linkId=22455ff53961978667722edaa64c0be5 ''Urea, page 156, GCSE Biology, Pearson, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782946748/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946748&linkCode=as2&tag=nrjc-21&linkId=a4f0348fc37d0ba1bb52d27f8679581f ''Urea, page 84, GCSE Biology; The Revision Guide, CGP, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782948120/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948120&linkCode=as2&tag=nrjc-21&linkId=dedef775c6a43dbb0a609441525adac0 ''Urea, pages 246, 248, GCSE Biology, CGP, Edexcel ''] | ||
| + | |||
| + | ====OCR==== | ||
| + | :[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Urea, page 120, Gateway GCSE Biology, Oxford, OCR ''] | ||
Latest revision as of 11:03, 21 December 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
Edexcel
- Urea, page 156, GCSE Biology, Pearson, Edexcel
- Urea, page 84, GCSE Biology; The Revision Guide, CGP, Edexcel
- Urea, pages 246, 248, GCSE Biology, CGP, Edexcel