The phylogenetic distribution of the enzyme rubisco is limited to ________.
A) only C3 plants
B) C3 and C4 plants
C) photosynthetic eukaryotes
D) bacterial and eukaryotic photoautotrophs
E) all living cells

Question

Quizplus · Accepted Answer

Rubisco is found in bacterial and eukaryotic photoautotrophs, which includes algae, cyanobacteria, and higher plants. It is responsible for catalyzing the initial fixation of carbon dioxide during the process of photosynthesis. Rubisco is not limited to only C3 or C4 plants or all living cells.

The Phylogenetic Distribution of the Enzyme Rubisco Is Limited to ________