MCQ

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Choose the correct sequence of steps involved in $C_4$ cycle.

• A
  $CO_2$ fixation $\rightarrow$ Regeneration $\rightarrow$ Transport
• B
  $CO_2$ fixation $\rightarrow$ Recarboxylation $\rightarrow$ Decarboxylation
• C
  Transport $\rightarrow$ Regeneration $\rightarrow$ $CO_2$ fixation
• ✓
  $CO_2$ fixation $\rightarrow$ Transport $\rightarrow$ Decarboxylation