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Phosphorus Cycle

Phosphorus Cycle. http://en.wikipedia.org/wiki/Phosphorus. Phosphorus in the Animal Kingdom. Required in every cell in the human body Most phosphorus is in the form of phosphate PO 4 85% of the phosphorus in the body is in bone in the form of Calcium Phosphate

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Phosphorus Cycle

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  1. Phosphorus Cycle http://en.wikipedia.org/wiki/Phosphorus

  2. Phosphorus in the Animal Kingdom • Required in every cell in the human body • Most phosphorus is in the form of phosphate PO4 • 85% of the phosphorus in the body is in bone in the form of Calcium Phosphate • Cell membranes have the phospholipid bi-layer • DNA and RNA have phosphate as one of the three components of the nucleotide http://publications.nigms.nih.gov/thenewgenetics/images/ch1_nucleotide.jpg http://www.biologycorner.com/resources/lipidbilayer.gif

  3. Remember • All living things are made up of cells (The Cell Theory) • DNA is found in all cells as the genetic material • ATP has three phosphate groups and powers cells • No phosphate? No DNA, no power. http://leavingbio.net/ENERGY%20FOR%20LIFE_files/image002.gif

  4. Phosphorus https://bioh.wikispaces.com/file/view/36-17-PhosphorusCycle-L.gif/31445793/36-17-PhosphorusCycle-L.gif • Phosphorus is unique in that it does not enter the atmosphere, whereas carbon, nitrogen and oxygen do cycle through the atmosphere in the gaseous state.

  5. Phosphorus Cycle • Phosphate is often mined from sedimentary rock or collected from guano • It is added to crops as a fertilizer or added to animal feed as a supplement • Once in the producers, phosphate cycles through the food web although it never exists in the gaseous state http://www.lesco.com/images/roots_flat.jpg http://www.lesco.com/images/roots_flat.jpg

  6. Reminder of the Carbon Cycle

  7. Information sources for phosphate information: http://lpi.oregonstate.edu/infocenter/minerals/phosphorus/

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