Why Is CO₂ Split Off of the C₄ Carriers Once

Multiple Choice

Why is CO₂ split off of the C₄ carriers once they get into the bundle sheath cells?

A) so that the CO₂ can be used by Rubisco to initiate the Calvin cycle
B) so that the CO₂ can be used by PEP carboxylase to initiate the Calvin cycle
C) so that the CO₂ can be used by Rubisco to initiate the Hatch-Slack pathway
D) so that the CO₂ can be used by PEP carboxylase to initiate the Hatch-Slack pathway
E) so that the O₂ can be used by Rubisco to initiate the Calvin cycle