Question

which macromolecule contains phosphorous (p)?
lipids
nucleic acids
carbohydrates

Explanation:

Lipids: While some lipids like phospholipids contain phosphorus, not all lipids do.
Nucleic Acids: Nucleic acids (DNA and RNA) have a phosphate group in their structure, so they always contain phosphorus.
Carbohydrates: Composed of carbon, hydrogen, and oxygen; no phosphorus.

Answer:

Nucleic Acids