Which of the following process does not happen during the light reacti...
Photosynthesis is the process by which all green plants, some bacteria, and some protists (Euglena) use energy from sunlight to produce sugar, which through cellular respiration produces ATP, the fuel used by all living organisms.
Photosynthesis occurs in the chloroplast of the cell.
The reaction of Photosynthesis is commonly written as:
6CO2 + 6H2O → C6H12O6 + 6O2.
Which of the following process does not happen during the light reacti...
Reduction of Carbon-di-oxide
• During the light reaction of photosynthesis, several key processes occur to convert light energy into chemical energy.
• One of the primary processes that do not happen during the light reaction is the reduction of carbon dioxide.
• The reduction of carbon dioxide occurs during the Calvin cycle, which is the second stage of photosynthesis and takes place in the stroma of the chloroplast.
• In the Calvin cycle, ATP and NADPH produced during the light reaction are used to convert carbon dioxide into glucose.
• However, during the light reaction, the focus is on capturing light energy and converting it into chemical energy in the form of ATP and NADPH.
• The key processes that do occur during the light reaction include photolysis of water, photophosphorylation, and reduction of NADP+.
• Photolysis of water involves the splitting of water molecules into oxygen, protons, and electrons, which releases oxygen as a byproduct.
• Photophosphorylation is the process by which ATP is synthesized using the energy from sunlight.
• Reduction of NADP+ involves the transfer of electrons to NADP+ to form NADPH, which is a crucial molecule for carrying electrons to the Calvin cycle.
• Overall, the light reaction of photosynthesis plays a vital role in generating the energy carriers ATP and NADPH, which are then used in the Calvin cycle to produce glucose from carbon dioxide.
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