Full form of RuBP

Atmospheric CO is accepted by a 5-carbon compound called Ribulose-1-5-di-phosphate [RUDP]or Ribulose-1-5-bisphosphate [RUBP].

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 ketose (ketone- containing sugar) called ribulose . Salts of RuBP can be isolated, but its crucial biological function happens in solution.

ribulose-1,5 -biphosphate 

thnku 😊

It is very simple

Ribulose Biophosphate
or
Ribulose-1,5-bisphosphate
RuBP is an organic substance​ that is involved in photosynthesis.​ It is a colourless anion.​ a doublephosphate ester of the ketose (ketone-containing sugar) called ribulose. Salts of RuBP can be isolated, but its crucial biological function happens in solution.[1] To simplify the presentation, the image in the above table depicts the acid form of this anion.​