The most abundant enzyme in the living world is _________.
- ALipase
- BDNase
- CZymase
- DRubisco
Solution & Step-by-step Explanation
RuBisCO (Ribulose-1,5-bisphosphate carboxylase-oxygenase) is the enzyme involved in the first major step of carbon fixation in plants and algae during photosynthesis. It is widely considered to be the most abundant enzyme and protein on Earth.