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__________ of some xenobiotic can be traced back to a biological origin.

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in Environmental Biotechnology by (64.7k points)
__________ of some xenobiotic can be traced back to a biological origin.

(a) Carbon portion

(b) Sugar portion

(c) Potassium portion

(d) Calcium portion

This question was posed to me in exam.

This intriguing question originated from Principle of Bacterial Degradation in division Biodegradation of Organic Pollutants of Environmental Biotechnology

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Correct choice is (a) Carbon portion

To elaborate: The carbon portion of some xenobiotic can be traced back to a biological origin to see if these substances were produced oil, natural gas or coal, sugar portion, potassium portion, calcium portion cannot be used to trace back the biological origin.

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