The enzyme ribulose 1,5- bis phosphate carboxylase
A) consists of eight catalytic subunits encoded by a chloroplast and eight regulatory subunits encoded by a nuclear gene.
B) is difficult to isolate and study because it occurs in small amount in plant cells.
C) is nonallosteric.
D) is not involved in reactions linked to oxygen.

Question

Quizplus · Accepted Answer

Ribulose 1,5-bisphosphate carboxylase, also known as RuBisCO, consists of eight catalytic subunits encoded by chloroplast DNA and eight regulatory subunits encoded by nuclear DNA, reflecting its evolutionary origins and the complex regulation of its activity in photosynthesis.

The Enzyme Ribulose 1,5- Bis Phosphate Carboxylase