Strands of DNA are bonded by [CPMT 1980; AIIMS 1989; Bihar MDAT 1992 – McqOptions

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1.	Strands of DNA are bonded by [CPMT 1980; AIIMS 1989; Bihar MDAT 1992]
A.	Hydrogen
B.	Carbon
C.	Oxygen
D.	Nitrogen
Answer» B. Carbon

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