Light Independent Reaction Of Photosynthesis

Light-Independent Reaction:

Overview:

• Second stage of photosynthesis
• Occurs in the stroma of chloroplasts
• Products of the light-dependent stage (ATP and Reduced NADP) and CO2 are used to synthesise organic molecules
• Calvin Cycle:

- Does not require light energy, however, it does depend on products of the light-dependent stage

Fixation:

• CO2 from the atmosphere diffuses into the leaf via the stomata
• CO2 diffuses across the plant cell wall, chloroplast envelope and into the stroma
• Carbon dioxide combines with the 5 carbon compound ribulose bisphosphate (RuBp) 

- Reaction catalysed by the enzyme RuBisCo. The reaction causes RuBp to be carboxylated - forms an…