What is Calvin cycle for kids?
What is Calvin cycle for kids?
The Calvin cycle is the second half of photosynthesis that is carried out by all plants, some algae and a few bacteria. The Calvin cycle converts CO2 to G3P through a series of three stages. G3P is then used to remake the sugar, RuBP, and start the cycle over, or to make other molecules that can be used by the plant.
What is Calvin cycle explain with diagram?
Diagram of the Calvin Cycle. Atoms are represented by the following colors: black = carbon, white = hydrogen, red = oxygen, pink = phosphorus. The Calvin cycle is part of photosynthesis, which occurs in two stages. In the first stage, chemical reactions use energy from light to produce ATP and NADPH.
Why is it called the Calvin cycle?
In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle.
What is RuBisCO and its function?
Ribulose-1,5-bisphosphate carboxylase-oxygenase, commonly known by the abbreviations RuBisCo, rubisco, RuBPCase, or RuBPco, is an enzyme involved in the first major step of carbon fixation, a process by which atmospheric carbon dioxide is converted by plants and other photosynthetic organisms to energy-rich molecules …
Does the Calvin cycle produce ATP?
ATP and NADPH produced by the light reactions are used in the Calvin cycle to reduce carbon dioxide to sugar. ATP is the energy source, while NADPH is the reducing agent that adds high-energy electrons to form sugar. …
What is the first step in the Calvin cycle?
The first step in the Calvin cycle is the fixation of CO2. The CO2 molecule condenses with ribulose 1,5-bisphosphate to form an unstable six-carbon compound, which is rapidly hydrolyzed to two molecules of 3-phosphoglycerate.
What is another name for the Calvin cycle?
Other names for light-independent reactions include the Calvin cycle, the Calvin-Benson cycle, and dark reactions.
What is a simple way to explain the Calvin cycle?
The Calvin cycle is a set of light independent redox reactions that occur during photosynthesis and carbon fixation to convert carbon dioxide into the sugar glucose. These reactions occur in the stroma of the chloroplast, which is the fluid-filled region between the thylakoid membrane and inner membrane of the organelle.
What does Calvin cycle stand for?
The Calvin cycle, Calvin-Benson-Bassham cycle, reductive pentose phosphate cycle or C3 cycle is a series of biochemical redox reactions that take place in the stroma of chloroplasts in photosynthetic organisms. It is also known as the light-independent reactions.
How would you describe the Calvin cycle?
The Calvin Cycle, also known as the Calvin-Benson Cycle, refers to the set of light independent redox reactions that takes place in the chloroplasts during photosynthesis and carbon fixation that would convert carbon dioxide into the sugar glucose.
What is the main significance of Calvin cycle?
The Calvin cycle is the final step of photosynthesis . Here is an explanation of the primary function of this important step: In the most general sense, the primary function of the Calvin cycle is to make organic products that plants need using the products from the light reactions of photosynthesis (ATP and NADPH).