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The Journey of a Carbon Atom Through Cellular Respiration an

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Amber Witters

on 26 January 2015

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Transcript of The Journey of a Carbon Atom Through Cellular Respiration an

The Journey of a Carbon Atom Through Cellular Respiration and Photosynthesis
The Carbon Atom
The carbon atom will be taking a journey through Photosynthesis first, since Carbon Dioxide is a reactant of the entire cycle.
After the photosystems (Light dependent reactions) have finished, the Calvin Cycle (Light independent reactions) starts. This is where the carbon atoms are rearranged many times to create a glucose molecule.
The process of the electron transport chain is then in occurance. Many ATP are made here. The ATP is then used throughout the cell and through the body for all of its needs.
Carbon atom starts out in photosynthesis as part of a carbon dioxide molecule. Carbon dioxide is broken down into oxygen and carbon.
Photosynthesis II and I begin
The carbon atom continues over to the animal cell, where it will be processed and rearranged again to produce ATP for the animal/human.
The glucose molecule enters the mitochondria for cellular respiration, but before anything else can, the molecule must go through Glycosis, which is the breakdown of Glucose, because its too large of a molecule.
The photosystems create only a few ATP in the stroma and thylakoid membrane that can be used later.
Many ATP molecules are made after this step. They are then used for energy throughout the plant of where it needs the energy most. Oxygen is also released from Photosynthesis. The oxygen and the carbon based molecules are then released. The animal cell then takes in the glucose an the oxygen for cellular respiration.
Glycosis happens in the cytoplasm first, then it is transported to the mitochondria. Once the glucose molecule is broken down into Pyruvate it enters the Krebs in the mitochondria. A few ATP are made in both Gylcosis and the Krebs Cycle. The carbon molecules is the transformed and rearranged many more times.
The Carbon Atom is then transferred through the entire cycle again. Without this cycle, we would be functioning a very different way, or maybe even not at all. Therefore, this was the journey of a Carbon Atom Through Photosynthesis and Cellular Respiration.
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