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Energy conversions continued
Warm-up Questions: If someone is studying the effects of light on the growth of a plant, what process are they likely studying? In which process that takes place in the mitochondria are the energy bonds of glucose transferred to the phosphate bonds in ATP? Energy equations and graphs.
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Cellular respiration equation
The reactants are the parts that combine together on the right side of the equation, they form the products. They are what goes in. In respiration, the reactants are one glucose molecule and six molecules of oxygen. The products are the result of the reactants going through the process. They are on the left side of the equation and are what is produced. The products are what come out after the process. The products of respiration are six molecules of water, 6 molecules of carbon dioxide and about 38 ATP (energy). C6H12O4 + 6O CO2 + 6H2O + Energy (about 38 ATP) Reactants Products
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Photosynthesis Equation
The reactants in the photosynthesis equation are light, six molecules of carbon dioxide, and 6 molecules of water. The products of photosynthesis are one glucose molecule and six oxygen molecules. The products of photosynthesis are what fuel the cellular respiration in order for energy to be produced. The CO2 and O2 enter and exit the plants through openings called stoma or stomata. Light energy 6CO2 + 6H2O C6H12O6 + 6O2 Reactants Products VIDEO
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Plant cells carry out photosynthesis within the chloroplasts.
Extras Plant cells carry out photosynthesis within the chloroplasts. The chlorophyll within the chloroplasts are what gives the plant its green color as well as what stores the light energy from the sun to be used during photosynthesis. Mitochondria are responsible for the process of cellular respiration to produce energy, thus the name powerhouse of the cell. Organic molecules occur naturally in nature (oxygen, etc) and inorganic are produced (glucose).
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Graphing photosynthesis and cellular respiration
As the intensity of light increases, so does the rate of photosynthesis. Plants take in more carbon dioxide with more light, and release carbon dioxide if the light level is too low. At point C, the rate of cellular respiration is equal to the rate of photosynthesis. CO2 Exchange
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