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Lactose can be a nutrient source for bacteria, it is a _____________________(a) monosaccharide(b) lipid(c) disaccharide(d) polysaccharideThis question was posed to me in an online interview.I'm obligated to ask this question of Gene Expression Control topic in division Control of Gene Expression of Cell Biology

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The correct OPTION is (c) disaccharide

To explain I would say: LACTOSE is a disaccharide comprised of glucose and GALACTOSE. Oxidation of this disaccharide can provide a BACTERIAL cell with metabolic intermediates and energy.



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