How many $ATP$ and $NADPH$ molecules are required for the fixation of three $CO_2$ molecules in the Calvin cycle?

  • A
    $9\,ATP, 6\,NADPH$
  • B
    $18\,ATP, 12\,NADPH$
  • C
    $6\,ATP, 9\,NADPH$
  • D
    $12\,ATP, 18\,NADPH$

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Which of the following was used for the discovery of the Calvin cycle?

The enzymatic reactions incorporate $CO_2$ into the plants leading to the synthesis of sugar in:

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