Carbon Fixation: Difference between revisions

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Organisms that grow by fixing carbon are called autotrophs, which include photoautotrophs (which use sunlight), and lithoautotrophs (which use inorganic oxidation).
Organisms that grow by fixing carbon are called autotrophs, which include photoautotrophs (which use sunlight), and lithoautotrophs (which use inorganic oxidation).


Seven autotrophic carbon fixation pathways are known.
Several autotrophic carbon fixation pathways are known:


'''Calvin cycle'''
'''1) Calvin cycle'''


3 CO<sub>2</sub> + 6 NADPH + 6 H<sup>+</sup> + 9 ATP + 5 H<sub>2</sub>O → glyceraldehyde-3-phosphate (G3P) + 6 NADP<sup>+</sup> + 9 ADP + 8 P<sub>i</sub>  (P<sub>i</sub> = inorganic phosphate)
[[Calvin cycle]]
 
'''2) Reverse Krebs cycle'''
 
[[Reverse Krebs cycle]]
 
'''3) Reductive acetyl CoA pathway'''
 
[[Reductive acetyl CoA pathway]]
 
'''4) 3-Hydroxypropionate bicycle'''
 
[[3-Hydroxypropionate bicycle]]


</StructureSection>
</StructureSection>
== References ==
== References ==
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