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The carbon atom in Photosynthesis

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Ryann Pyles

on 14 May 2013

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Transcript of The carbon atom in Photosynthesis

How the carbon atom is transferred between molecules The carbon atoms journey Energy Movement during cellular respiration during photosynthesis What happens to the carbon atom? The molecule takes in glucose and oxygen and then goes through fermentation (doesnt need oxygen) and it produces and lets out carbon dioxide. In the light independent reactions 12 three-carbon molecules are made for every 6 carbon dioxides that enter the cycle. Those three-carbon molecules then go through many other process after that to break them down. THen for every 12 of the three-carbon molecules two are removed to build organic compounds. The rest continue on in the cycle. The two that are removed form a six-carbon sugar by bonding together. NADPH and ATP, made in the light independent processes of photosynthesis are used as energy for the carbon atom. In the light independent reactions NADPH and ATP are used to enable the carbon atoms to go through many processes breaking it down and removing some of the atoms bonded to them. The energy is also used for the synthesis of glucose and other organic molecules. The carbon atom light dependent reactions light independent reactions Transitioning between photosynthesis and respiration Twelve three-carbon molecules are formed from every six carbon dioxide molecule. The three carbon molecules are broken down during a series of reactions. During the reactions some of the atoms bonded to the carbon are removed. The energy that is used to make these reaction occur is from the ATP and NADPH. These reactions leave the atoms in the molecule different. Two of the leftover three-carbon molecules are taken and used to build organic compounds, the other 10 conitnue throughout the cycle. The two that were taken out are bonded together. This forms a six-carbon sugar. The light dependent reactions make ADP and NADPH. They are used in the light independent cycle as energy used to carry on the reactions that break down the three-carbon molecules. http://legacy.hopkinsville.kctcs.edu/sitecore/instructors/Jason-Arnold/VLI/Module%202/m2cellfunctionandenergetics/summary6-0calvin_cycle__c.jpg http://2.bp.blogspot.com/_IHdG761bFt0/SxRQl-qgP0I/AAAAAAAAACQ/w9CyLdsw-LY/s1600/cellul15.gif http://www.ck12.org/ck12/images?id=341279 The carbon atom does not change through these processes. The carbon atoms are split up and three-carbon molecules are made and go through many different processes. Atoms bonded to the three-carbon molecules are removed during these processes. http://www.mhhe.com/biosci/esp/2001_gbio/folder_structure/ce/m6/s4/assets/images/cem6s4_1.jpg https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcTpSSIcNZzCOJ-RkDN4N9dKh0tKfAZwAVWo45lE-Ym8sLxOBDly
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