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4 answers

Hydrocarbons

2007-03-09 03:15:26 · answer #1 · answered by Sophist 7 · 0 0

They are all generally large, complex and high molecular weight organic compounds.

Nucleic acids and proteins both contain nitrogen.

2007-03-09 19:19:47 · answer #2 · answered by Zero 3 · 0 0

they contain carbon and hydrogen

2007-03-09 11:13:55 · answer #3 · answered by Anonymous · 0 0

hydrogen,carbon and oxygen

2007-03-09 14:31:18 · answer #4 · answered by ANITHA 3 · 0 0

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