Calvin Cycle

What is Calvin Cycle?

The Calvin Cycle is the light-independent phase of photosynthesis where carbon dioxide is converted into organic molecules, facilitating the synthesis of carbohydrates in plants.

What are the Different Steps Involved in the Calvin Cycle?

The different steps involved in the Calvin cycle are:

  • Carbon fixation
  • Reduction
  • Regeneration

What are the End Products of C3 Cycle?

The end products of C3 cycle are ADP, NADP, and glucose. In the first stage of C3 cycle ADP and NADP are produced and in the second stage glucose is produced.

What is Carbon Fixation in the Calvin Cycle?

Carbon fixation in the Calvin Cycle involves the conversion of carbon dioxide into an organic compound, usually ribulose bisphosphate, catalyzed by the enzyme RuBisCO. It produces 3-phosphoglycerate and starting the next stages of photosynthetic carbon assimilation.

Why is the Third Step of the Calvin Cycle Called the Regeneration Step?

The third step of the Calvin Cycle is called the regeneration step as it involves the regeneration of ribulose bisphosphate (RuBP). This molecule essential for initiating carbon fixation.



Calvin Cycle Notes Class 11

The Calvin cycle, a key component of photosynthesis, converts atmospheric CO2 into glucose in plants. Utilizing ATP and NADPH from the light-dependent reactions, it operates in the chloroplast’s stroma. This cycle, named after Melvin Calvin, is essential for energy storage and growth, underpinning the food supply and oxygen production vital for life on Earth.

Calvin Cycle includes the use of ATP and NADPH to convert carbon dioxide into glucose and contributes to the synthesis of organic molecules in plants. In this article, we will study the Calvin cycle, Stages, and Key points of the Calvin Cycle in detail.

Table of Content

  • What is Calvin Cycle?
  • C3 Cycle Diagram
  • Calvin Cycle Three Phases
    • 1. Carbon Sequestration
    • 2. Reduction
    • 3. Regeneration
  • Calvin Cycle or C3 Cycle Final Products
  • Key Points on C3 Cycle
  • Conclusion: Calvin Cycle Notes Class 11

Similar Reads

What is Calvin Cycle?

Definition Calvin Cycle: The Calvin Cycle is the set of chemical reactions in photosynthesis that converts carbon dioxide into glucose in the chloroplasts of plants....

C3 Cycle Diagram

The C3 cycle diagram below shows the different stages of Calvin Cycle....

Calvin Cycle Three Phases

The Calvin cycle, also known as the C3 cycle, is divided into three stages:...

Calvin Cycle or C3 Cycle Final Products

The final products of the calvin cycle are:...

Key Points on C3 Cycle

Following are the key points in C3 cycle are:...

Conclusion: Calvin Cycle Notes Class 11

In conclusion, the Calvin cycle is a very essential photosynthetic process converting CO2 into glucose, using ATP and NADPH from light reactions. This cycle, vital for plant growth and energy storage, underscores the intricate relationship between light-dependent and independent reactions. Understanding the Calvin cycle highlights its role in sustaining life by fueling ecosystems and influencing global carbon cycles...

FAQs on Calvin Cycle

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