Cellular respiration occurs in the mitochondria of cells. This process is essential for converting the energy stored in glucose into a form that cells can use to perform their functions.
Photosynthesis, on the other hand, takes place in the chloroplasts of plant cells and certain algae. It involves the conversion of solar energy into chemical energy, specifically in the form of glucose. While photosynthesis is concerned with energy capture, cellular respiration is about energy extraction.
In summary, whereas photosynthesis occurs in chloroplasts and requires light energy to produce glucose, cellular respiration takes place in mitochondria and breaks down glucose to release energy for cellular activities.