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The most abundant protein in the whole o...

The most abundant protein in the whole of biosphere is

A

Collagen

B

RuBisCO

C

Fibroin

D

Myoglobin

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks for the most abundant protein found in the entire biosphere. This requires knowledge of proteins that play significant roles in biological processes. 2. **Identifying Key Proteins**: Among the various proteins present in nature, we need to identify which one is the most prevalent. One of the key proteins involved in photosynthesis is known for its abundance. 3. **Photosynthesis and Carbon Fixation**: In the process of photosynthesis, plants convert carbon dioxide into organic compounds. This process involves a specific protein that plays a crucial role in carbon fixation. 4. **Rubisco**: The protein responsible for this carbon fixation is called Ribulose-1,5-bisphosphate carboxylase/oxygenase, commonly known as Rubisco. It catalyzes the reaction that incorporates carbon dioxide into ribulose bisphosphate, making it essential for the process of photosynthesis. 5. **Conclusion**: Given its vital role in photosynthesis and its widespread presence in plants, Rubisco is recognized as the most abundant protein in the biosphere. **Final Answer**: The most abundant protein in the whole of the biosphere is Rubisco. ---
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