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Photosynthesis vs. Respiration Chart

Cellular Respiration and Photosynthesis co-exist as paired metabolic processes.

Photosynthesis uses light energy to convert carbon dioxide into glucose, a simple sugar, in two steps, the light dependent and light independent reactions. Oxygen is produced as a by product during photosynthesis. This reaction stores energy in the chemical bonds of glucose.

Sugar and other carbohydrates are used as fuel sources by cells. During the process of Aerobic Cellular Respiration, glucose is broken down using oxygen. This reaction releases energy which is used to create ATP molecules, the energy carrier molecule of cells. The process also releases Carbon Dioxide as a byproduct.

Part 1: Fill out the following table to compare and contrast Photosynthesis and Aerobic Cellular Respiration.


Aerobic Cellular Respiration

Full balanced equation



Is this reaction endergonic or exergonic? State which one it is.

Energy source used

Cell organelles involved in the reaction

Role of ATP in the reaction

Solution Summary

The solution comprises of an attachment containing a chart comparing these two processes.