1. Photosynthesis and cellular respiration recylce oxygen inecosystems. a. Expla
ID: 1325 • Letter: 1
Question
1. Photosynthesis and cellular respiration recylce oxygen inecosystems. a. Explain how the metabolic processes of cellular respirationand photosynthesis recycle oxygen b. Trace a molecule of O2 from the environment to amuscle cell in a vertebrate of your choice. 1. Photosynthesis and cellular respiration recylce oxygen inecosystems. a. Explain how the metabolic processes of cellular respirationand photosynthesis recycle oxygen b. Trace a molecule of O2 from the environment to amuscle cell in a vertebrate of your choice.Explanation / Answer
a. The equation for cellular respiration is 6O2 +C6H12O6 -> 6H2O +6CO2 + energy. The equation for photosynthesis is 6CO2 +6H2O +energy -> 6O2 +C6H12O6. As you can see, cellular respiration and photosynthesis arebasically the backwards reaction of each other. This is how oxygencan be recycled. b. Oxygen is breathed in and sent to a muscle in a human body.Through oxidative phosphorylation the oxygen are used as electronacceptors in the mitochondria. They pull the electrons down theelectron transport chain in order to make ATP through an ATPsynthase. 2 hydrogen atoms attach to the oxygen atom to make waterwhich is released.
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