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All the biological macromolecules contain carbon, hydrogen and oxygen. However, most do not contain nitrogen. The category that

contains nitrogen are

A) Lipids
B) Proteins
C) carbohydrates
D) unsaturated fats

User SMilbz
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1 Answer

3 votes

Answer:

A. lipids

Step-by-step explanation:

User Matteo Pagliazzi
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