GENERAL KNOWLEDGE

GK

VITAMINS MINERALS COENZYMES AND DEFICIENCY DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In normal condition, our body cells produce many antioxidant enzymes to help
A
neutralize free radicals
B
prevent cellular (DNA)
C
other molecule damage
D
all of these
Explanation: 

Detailed explanation-1: -The antioxidant enzymes in all body cells consist of three major classes of antioxidant enzymes which are the catalases, superoxide dismutases (SOD), and glutathione peroxidases (GPX), all of these, play crucial roles in maintaining homeostasis into cells.

Detailed explanation-2: -Antioxidant enzymes include the superoxide dismutases (SODs), catalases, peroxiredoxins (PRXs), glutathione peroxidases (GPXs), and the four enzymes of the ascorbate–glutathione pathway (Dietz, 2003; Matamoros et al., 2003; Mittler et al., 2004; Navrot et al., 2006).

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