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(B) Dehydrogenation is a chemical reaction that involves the removal of hydrogen from an organic molecule.Since a hydrogen atom consists of one proton

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Dehydrogenation

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(B) Dehydrogenation is a chemical reaction that involves the removal of hydrogen from an organic molecule.Since a hydrogen atom consists of one proton and one electron,the removal of two hydrogen atoms $(2H)$ is equivalent to the loss of two protons $(2H^+)$ and two electrons $(2e^-)$.This process is a fundamental step in cellular respiration,particularly in the Krebs cycle and glycolysis,where enzymes called dehydrogenases facilitate the transfer of these electrons to coenzymes like $NAD^+$ and $FAD$.

List $-I$	List $-II$
$a$. Porins	$i$. Pink coloured nodules
$b$. Leg-haemoglobin	$ii$. Lumen of thylakoid
$c$. $H^{+}$ accumulation	$iii$. Amphibolic pathway
$d$. Respiration	$iv$. Huge pores in outer membrane of mitochondria

Which of the following processes involves the loss of two protons and two electrons?

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