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Do now activity Define ATP.
What is the difference between ADP and ATP? Write down the photosynthesis equation. Write down the cellular respiration equation.
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Section 2-3: energy Essential Question
Is energy used or made in photosynthesis? Is energy used or made during cellular respiration? Learning Target Use the chemical equation for cellular respiration to explain how energy stored in food molecules provides energy to the cell. Section 2-3: energy
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announcements Section 2 Test Scheduled for this Friday: 6/8/18
Section 2 Stamp Sheet due Friday 6/8/18 Class Syllabus due Friday 6/8/18 Pink Document due Friday 6/8/18
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Don’t forget to chunk your notes!
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SUNLIGHT IS THE MAIN SOURCE OF ENERGY FOR LIFE ON EARTH
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ALL ENERGY comes from the ____ .
sun sun
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There are 3 types of energy:
Heat _______ Chemical Light light
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Food stores _________ energy
chemical chemical
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energy Food is not a usable form of ___________ energy in cells It must be converted to a usable form chemical
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Don’t forget to chunk your notes!
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ATP Food is changed into Adenosine TriPhosphate
(ATP): chemical fuel that powers cell’s activities
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ATP: Adenosine Triphosphate
3 phosphates
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ATP ADP = Adenosine DiphosPhate 2 phosphates instead of 3
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ATP ATP ADP Terminal phosphate bond is broken Energy is released
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ATP ADP ATP Phosphate added to ADP Energy is stored
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ATP Energy released from ATP is used to… Power active transport
Power the sodium- potassium pump Power movement of organelles within the cell ATP
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ATP Cells store small amounts of ATP because it is inefficient for storing energy
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Energy from carbohydrates used to make ATP from ADP as needed
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When you exercise, ATP stored in muscles is used first.
Cellular respiration When you exercise, ATP stored in muscles is used first.
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Cellular respiration lactic acid fermentation
Muscles low on O 2 begin producing ATP through _______ ___ _____________ . lactic acid fermentation
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Lactic acid is eliminated by heavy breathing (taking in more O 2 ).
Cellular respiration Lactic acid is eliminated by heavy breathing (taking in more O 2 ).
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Electron Transport Chain
Cellular respiration Glucose (C6H1206) + Oxygen (02) Glycolysis Krebs Cycle Electron Transport Chain Carbon Dioxide (CO2) + Water (H2O) Cellular respiration can produce ATP for exercise lasting about 30 minutes.
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What is cellular respiration’s primary goal?
To make energy. But it also produces carbon dioxide & water.
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Cellular Respiration Equation
C6H12O6 + 6O2 6CO2 + 6H2O + Energy
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Don’t forget to chunk your notes!
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photosynthesis Plants are autotrophs that use photosynthesis to make their own ______ . food food
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as reactants for photosynthesis.
Plants need ____ & ____ as reactants for photosynthesis. H 2 O CO 2 Water & carbon dioxide
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These reactants come from ___ ______ .
photosynthesis These reactants come from ___ ______ . Cellular respiration Cellular Respiration
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What is photosynthesis’ primary goal?
To make glucose (food) for plants. But it also produces oxygen!
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carbon dioxide + water glucose + oxygen
light 6CO H2O C6H12O O2 carbon dioxide + water glucose + oxygen
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Don’t forget to chunk your notes!
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Compare and contrast Photosynthesis Respiration Energy storage
Function Energy storage Energy release Location Chloroplasts Mitochondria Reactants CO2 and H2O C6H12O6 and O2 Products Equation 6CO2 + 6H2O C6H12O C6H12O CO2+ 6H2O
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