Dark Reactions Occurs where? ____________________________________________ PURPOSE: _______________________________________________ ________________________________________________________ 3 atmospheric ________________ molecules COMBINES with __________________ (a 5-C sugar in the chloroplast) RuBP serves as a ______________ acceptor To form an unstable __________ sugar that quickly splits to form 2 molecules of ________ or ____________________ a 3-C compound That combines with ________________ from the _________ reactions Pathway called ________ AND FORMS 2 molecules of ___________ Also called __________________ __________ a byproduct used in the ________ reaction IS CONVERTED INTO __________ and ____________ made by joining 2 ________ and _____ THAT IS USED AGAIN TO COMBINE WITH CO2