noun
- Chemical reactions that are initiated or driven by light energy, commonly occurring in photosynthesis and other light-dependent processes.
Usage: plural form; technical/scientific term; commonly used in chemistry and biology
Examples
- Photoreactions in plant chloroplasts convert light energy into chemical energy.
- The light-dependent photoreactions occur in the thylakoid membranes of chloroplasts.
- Scientists study photoreactions to understand how plants capture solar energy.
- Photoreactions produce ATP and NADPH, which power the Calvin cycle.
- Understanding photoreactions is essential for developing artificial photosynthesis technologies.