For the fixation of $1$ $CO_2$ molecule,the amount of energy required is:

  • A
    $2$ $NADPH_2$ and $3$ $ATP$
  • B
    $6$ $NADPH_2$ and $3$ $ATP$
  • C
    $4$ $NADPH_2$ and $3$ $ATP$
  • D
    $5$ $NADPH_2$ and $3$ $ATP$

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Which of the following is the first compound that accepts carbon dioxide during the dark phase of photosynthesis?

What is the full form of $PGAL$?

What is the basis for designating $C_{3}$ and $C_{4}$ pathways of photosynthesis?

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