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How Is Photosynthesis Related To Cellular Respiration?

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During respiration cells give out carbon dioxide and take in oxygen. During photosynthesis carbon dioxide is taken in and oxygen is given out
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During respiration cells give out carbondioxide and take in oxygen while in photosynthesis carbondioxide in taken in and in turn oxygen is given out. So when in day time when both the processes are going simultaneously, plants utilize the gasses they give out for the reverse processes.
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2 Similarities:

1. Both use Electron Transport Chains to create fuel creation of ATP (cell resp uses 1 ETC and photosynthesis uses 2)
2. ATP synthesis complexes (complexes that produce ATP) are more or less identical in both

2 Differences:

1. Photosynthesis is anabolic (involves the building up/creation of molecules, therefore uses up energy to occur) Cellular respiration is catabolic (involves the breakdown of molecules, therefore releases energy)
2. Photosynthesis uses CO2 and produces O2 as a by-product (and glucose), Cellular Respiration uses O2 (and glucose) and produces CO2 as a by-product
3. Synthase in chloroplasts, cell resp in mitochondria.
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You are all missing a key product in photosynthis, you are missing sunlight, without it the plant would not beable to break apart the water into hydrogen and oxygen here ill send you a part of my essay that I did.  I made it really simple to understand,

Take a deep breath with me… take another.  Yeah air is nice isn’t it, the oxygen that we breath is refreshing.  Well did you ever wonder how we get that oxygen, you ever wonder how we receive the air that we breath.  Well it’s quite simple, we obtain our air through a simple action that know-it-all scientist call photosynthesis.  Photosynthesis has nothing to do with taking pictures, quite contraire, photosynthesis (in simple terms) is just a really big word for explaining how plants breath.  You may be asking this question right now “Plants breath!?”, yes, yes they do.  It sounds weird right, this is something that you truly did not expect.  It shocked you a little didn’t it, well anyway now that we know that plants breath it makes you wonder what else they do.  Well let’s talk a little more about photosynthesis and why it pertains with us.
Okay let’s talk about photosynthesis, think of it as cooking, first you must collect your ingredients.  In order to make photosynthesis you need light energy (the sun is the best source), water, Carbon Dioxide and Chlorophyll.  Then you have to mix the ingredients, but as we do so I will explain what happens.  The Chlorophyll in the cells of the plant absorbs light from the sun like a sponge absorbs water.  Then the sun’s energy splits the water molecules into hydrogen and oxygen.  The hydrogen molecules join with carbon dioxide to make sugar (aka food).  The sugar is carried to other parts of the plant, while the oxygen is released into the air.  Got it?  No?  Okay lets simplify this, the chlorophyll absorbs the sunlight and stores it, then the light energy that the plant absorb breaks down water molecules (Meaning the sunlight energy is capable of separation all the ingredients that make up water)  and it becomes oxygen and hydrogen.  The Hydrogen molecule sticks to the carbon molecule which makes sugar, the sugar is carried to the plant as a food source as the extra oxygen is released into the air.
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They both use each other one takes in what the other had to offer. It like a win win scenario
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Same reactants
different equations

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