In a laboratory setting, how would you identify a nucleic acid based on its structural components?

• A. Identify the presence of fatty acids and glycerol.
• B. Search for the presence of proteins and carbohydrates.
• C. Check for the presence of amino acids and lipids.
• D. Look for the presence of phosphate groups, a 5-carbon sugar, and nitrogenous bases.

Answer: (D)