Chlorophyll in the plant cells traps light energy, then carries out a series of reactions. Factors affecting respiration Most cell activity requires chemical energy. Respiration is the cellular ...

The overall process of fermentation in animal cell and plant ... in the diagram below. 15 times more energy is released per molecule of glucose when oxygen is present and aerobic respiration ...

In fact, the Sun is the ultimate source of energy for almost all cells, because photosynthetic prokaryotes, algae, and plant cells harness ... (Figure 1). Cellular nutrients come in many forms ...