Difference between Oxygenic and Anoxygenic Photosynthesis
Table below explains the difference between Oxygenic and Anoxygenic Photosynthesis.
Oxygenic Photosynthesis |
Anoxygenic Photosynthesis |
---|---|
Oxygenic Photosynthesis converts light energy into chemical energy with the help of chlorophyll present in green autotrophs. It involves the liberation of molecular oxygen. | Anoxygenic Photosynthesis converts light energy into chemical energy by some bacteria. It does not involve the release of molecular oxygen |
Here, photosystem I and photosystem II both are present. | Here, photosystem I is present and photosystem II is absent. |
Chlorophyll is used. | Chlorophyll or Bacteriochlorophyll is used. |
It is done by green plants, cyanobacteria, and some algae. | It is done by Green sulfur bacteria, green and red filamentous anoxygenic phototrophs (FAPs), etc. |
Photosynthesis Formula
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy for themselves to live. Some of the chemical energy is stored in carbohydrate molecules that are produced by the process of carbon assimilation. Carbohydrate molecules like sugars and starches are produced from carbon dioxide and water with the use of chlorophyll and external energy sources like light, as well as with the involvement of oxygen. The majority of the oxygen required for life on Earth is produced by photosynthesis. It also maintains the oxygen content of the Earth’s atmosphere and supplies most of the energy necessary for life on Earth, so it is an extremely important process for the existence of life on Earth. The word “photosynthesis” is derived from the ancient Greek words phōs (φῶς) and synthesis (σύνθεσις) which mean “light” and “putting together”. Photoautotrophs are the organisms that perform photosynthesis, such as algae, cyanobacteria, and most plants.