안녕하세요 ^^ 예 맞습니다. 아래를 함께 보시면 light energy ( photon) 때문에 일어난다는 것을 알수 있습니다. ( 출처 : 위키피디아.)photolysis, is a chemical reaction in which a chemical compound is broken down by photons. It is defined as the interaction of one or more photons with one target molecule.
Photolysis is part of the light-dependent reaction or light phase or photochemical phase or Hill reaction of photosynthesis. The general reaction of photosynthetic photolysis can be given as
- H2A + 2 photons (light) → 2 e− + 2 H+ + A
The chemical nature of "A" depends on the type of organism. In purple sulfur bacteria, hydrogen sulfide (H2S) is oxidized to sulfur (S). In oxygenic photosynthesis, water (H2O) serves as a substrate for photolysis resulting in the generation of diatomic oxygen (O2). This is the process which returns oxygen to Earth's atmosphere. Photolysis of water occurs in the thylakoids of cyanobacteria and the chloroplasts of green algae and plants.
이 과정은 enzyme 의 도움을 받습니다. enzyme 이 정확하게 어떻게 action을 하는지는 지금도 아직 다 밝혀지지는 않았습니다.
The enzyme complex that catalyzes the water-splitting reaction (known as the oxygen-evolving complex) contains manganese and calcium, and is located in photosystems embedded in thylakoid membranes within the chloroplast. Researchers are still uncovering details about the exact mechanism by which the enzyme works, but it appears that the enzyme binds water molecules in place while separating the protons and electrons and forming oxygen bonds.
질문에 답이 되었나요? ^^ 열공하는 하루 되세요`
