energy storage and transformation
DESCRIPTION
Energy Storage and Transformation. ATP Info Biology 30 Mrs. S. Pipke-Painchaud. Where is energy released in the cell?. Mitochondria Which carries out what important energy process? Cellular Respiration. UTMB http://cellbio.utmb.edu/cellbio/mitoch1.htm. Energy. - PowerPoint PPT PresentationTRANSCRIPT
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Energy Storageand Transformation
ATP InfoBiology 30
Mrs. S. Pipke-Painchaud
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Where is energy released in the cell?
• Mitochondria• Which carries out what important
energy process?• Cellular Respiration
UTMB http://cellbio.utmb.edu/cellbio/mitoch1.htm
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Energy . . .
• What is the common form of energy inside of cells?
• ATP• Released energy is temporarily stored
in high-energy ATP Molecules • ATP – Adenosine TriPhosphate
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Animation Intro
• Dr. Saul’s Biology• http://biologyinmotion.com/atp/ind
ex.html
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What is ATP?• Composed of:
• 5 – carbon sugar (ribose)• A nitrogen base (adenine)• Three (3) phosphate groups
http://upload.wikimedia.org/wikipedia/commons/f/fd/ATP-3D-balls.png
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ATPs Chemical Formula
• C10H18O15N5P3
Image from Wikipedia: http://upload.wikimedia.org/wikipedia/commons/2/22/ATP-3D-vdW.png
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http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/ATP.html
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The Process
• When energy is needed from ATP, an enzyme breaks the bond between two phosphate groups, releasing one phosphate and energy.
• The remaining molecule is ADP (Adenosine diphosphate)
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Animation - process
• Kaiser: http://student.ccbcmd.edu/~gkaiser/biotutorials/energy/atpan.html
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• When energy released by cellular respiration needs to be stored, a phosphate group is added to ADP forming ATP, and energy is stored in the bond between the phosphate groups.
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ATP’s Lifespan
• ATP Average Lifespan
• 50 seconds
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Demos
• Human Example In Class• Blocks and Elastics model
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Resources
• Enzymes:• http://www.uic.edu/classes/bios/
bios100/lecturesf04am/lect04.htm