Input-Process-Output Model

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The process of photosynthesis is essential for the survival of most life forms on Earth. During photosynthesis, plants, algae, and some bacteria convert carbon dioxide and water into glucose and . This process primarily occurs in the of plant cells, which contain the pigment chlorophyll, allowing them to capture sunlight. The overall chemical reaction can be summarized by the equation: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.



Light is absorbed by chlorophyll, which energizes electrons in the molecule, leading to the creation of energy-rich compounds such as ATP and NADPH. These compounds are then utilized in the Calvin cycle to convert carbon dioxide into glucose through a series of enzymatic reactions. The Calvin cycle occurs in the of the chloroplast where ribulose bisphosphate (RuBP) is fixed with carbon dioxide, ultimately producing glucose.



Photosynthesis not only provides food for plants but also produces the oxygen we breathe, making it a vital process for life on Earth. Factors such as light intensity, temperature, and the availability of water can influence the rate of photosynthesis. Understanding the intricacies of this process is crucial in fields such as agriculture and environmental science, as it plays a significant role in the global and climate regulation.

Keywords

ecosystem | chloroplasts | oxygen | stroma |