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Aerobic vs. Anaerobic Respiration
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Have you ever wondered…
Why do your muscles get sore when you exercise? Why does bread rise? The answer has to do with RESPIRATION! 2
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What process converts sunlight to glucose?
THINK Photosynthesis! What process converts sunlight to glucose? What process converts glucose to ATP? Cellular respiration! What are the reactants of cellular respiration? Glucose & Oxygen 3
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Photosynthesis chemical reaction:
Reactants Products Glucose, O2 CO2, H2O, Sunlight 4
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Respiration chemical reaction:
Reactants Products CO2, H2O, ATP Glucose, O2 Cellular respiration usually requires oxygen! 5
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Aerobic respiration: respiration WITH oxygen Aerobic respiration produces 36 ATP (LOTS of energy = efficient)
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Aerobic respiration takes place in the mitochondria
Done by plants and animals 7
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Respiration chemical reaction:
Reactants Products CO2, H2O, ATP Glucose, O2 Cellular respiration usually requires oxygen! *BUT if there is no oxygen, some organisms can still do respiration! 8
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Anaerobic Respiration
WORD PARTS: An = not Aerobic = oxygen
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Anaerobic respiration: respiration WITHOUT oxygen
Anaerobic respiration produces 2 ATP (Little energy = inefficient) 10
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Anaerobic respiration takes place in the cytoplasm
Done by yeast, bacteria, muscle cells 11
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Aerobic or Anaerobic? 12
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With oxygen
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Little energy production
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Mitochondria
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Yeast 16
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Without oxygen 17
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Efficient energy production
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2 Types of ANAEROBIC Respiration
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1) Lactic Acid fermentation
Done by muscle cells when not enough oxygen is available Produces lactic acid (makes your muscles sore!) 20
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2) Alcohol fermentation
Done by yeast Produces alcohol Causes bread to rise 21
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Aerobic or Anaerobic? 22
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A yeast cell produces alcohol
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Occurs in the cytoplasm of the cell
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Efficient ATP formation
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A cheetah sprints toward prey and its muscle cells produce lactic acid
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The bacteria that cause tetanus can survive in a puncture wound that has healed on the outer surface of the skin 27
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Results in the most energy stored
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Requires the use of a mitochondrion
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Yeast cells cause bread to rise
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Which process releases energy from food by producing ATP in the absence of oxygen?
glycolysis fermentation photosynthesis cellular respiration During a biochemical reaction, pyruvate is converted into carbon dioxide and water. In what cellular organelle does this biochemical reaction occur? nucleus cytoplasm mitochondria endoplasmic reticulum
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Which process releases the highest amount of energy?
anaerobic respiration aerobic respiration photosynthesis protein synthesis The energy required to lift an object is supplied by ATP derived from the break down of molecules of glutamate glycerol glycolysis glucose
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Anaerobic Respiration
Occurs in the cytoplasm, not the mitochondria.
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Which type of reaction is shown below?
glucose→ lactic acid + ATP photosynthesis aerobic respiration cellular respiration anaerobic respiration Which is responsible for muscle pain felt after repeatedly lifting weights? a buildup of ethanol due to aerobic respiration a buildup of ethanol due to anaerobic respiration a buildup of lactic acid due to aerobic respiration a buildup of lactic acid to to anaerobic respiration
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