Each molecule of pyruvic acid entering the Kreb's cycle produces:

  • A
    $2$ molecules of $CO_2$
  • B
    $3$ molecules of $CO_2$
  • C
    $1$ molecule of $CO_2$
  • D
    $5$ molecules of $CO_2$

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In Krebs cycle,$FAD$ participates as an electron acceptor during the conversion of:

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