Which enzyme is most abudantly found on earth?[1999]a)Catalaseb)Rubisc...
RUBISCO is the enzyme involved in Calvin cycle. Nitrogenase catalyses nitro- genation. Invertase catalyses breaking of sucrose to glucose and fructose.
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Which enzyme is most abudantly found on earth?[1999]a)Catalaseb)Rubisc...
Most abundantly found enzyme on earth: Rubisco
Rubisco (Ribulose-1,5-bisphosphate carboxylase/oxygenase) is the most abundant enzyme on earth. It plays a crucial role in the process of photosynthesis, which is responsible for converting carbon dioxide into organic compounds essential for plant growth.
Importance of Rubisco:
- Rubisco is involved in the first major step of carbon fixation during photosynthesis.
- It catalyzes the carboxylation of ribulose-1,5-bisphosphate, leading to the production of 3-phosphoglycerate, a crucial intermediate in the Calvin cycle.
- Without Rubisco, plants would not be able to efficiently fix carbon dioxide from the atmosphere, leading to a decrease in plant growth and productivity.
Abundance of Rubisco:
- Rubisco is found in the chloroplasts of plants, algae, and cyanobacteria.
- It is estimated that Rubisco accounts for approximately 30-50% of total soluble protein in plant leaves.
- Due to its high abundance and essential role in photosynthesis, Rubisco is considered the most abundant enzyme on earth.
In conclusion, Rubisco is the most abundantly found enzyme on earth due to its critical role in carbon fixation during photosynthesis. Its high abundance in plant tissues highlights its importance in sustaining life on our planet.