The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products. Arrows numbered $4, 8$ and $12$ can all be

  • A
    $H_2O$
  • B
    $FAD^+$ or $FADH_2$
  • C
    $NADH$
  • D
    $ATP$

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Similar Questions

Select the incorrect statement.

Analogy type questions:
$(1)$ Krebs cycle : Hans Krebs :: Glycolysis : ......
$(2)$ Glycolysis : Absence of oxygen :: Krebs cycle : ......

Assertion : Glycolysis is the first step of respiration in which glucose completely breaks into $CO_2$ and $H_2O$.
Reason : In this process,there is net gain of twenty four molecules of $ATP$.

Match the processes involved in aerobic respiration given in Column-$I$ with their occurrence in the cell from Column-$II$ and choose the correct option.
Column-$I$Column-$II$
$i$. Glycolysis$b$. Cytoplasm
$ii$. Krebs cycle$a$. Mitochondrial matrix
$iii$. $ETS$$c$. Inner mitochondrial membrane

What is the significance of respiration in living organisms?

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