Answer: ribulose biphosphate
What does RuBP stand for?

Ribulose 1 5-bisphosphate (RuBP) is an organic substance that is involved in photosynthesis. It is a colourless anion a double phosphate ester of the ketopentose (ketone-containing sugar with five carbon atoms) called ribulose. Salts of RuBP can be isolated but its crucial biological function happens in solution. To simplify the presentation the image in the table depicts the acid form of this anion.

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 the atmospheric carbon dioxide is converted by plants and other photosynthetic organisms to energy-rich molecules such as glucose. In chemical terms it catalyzes the carboxylation of ribulose-1 5-bisphosphate (also known as RuBP). It is probably the most abundant enzyme on Earth.

Photorespiration (also known as the oxidative photosynthetic carbon cycle or C 2 photosynthesis) refers to a process in plant metabolism where the enzyme RuBisCO oxygenates RuBP wasting some of the energy produced by photosynthesis.The desired reaction is the addition of carbon dioxide to RuBP (carboxylation) a key step in the Calvin–Benson cycle but approximately 25% of reactions by ...

RuBP - Ribulose Bisphosphate | AcronymFinder

Rubisco - Georgia State University

What is RuBP and what is its purpose in photosynthesis ...

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