Question

1. which organic macromolecule do none of our tests detect? sucrose glucose starch protein lipid not quite. the sudan iv test identified lipid.

Explanation:

Glucose can be detected by Benedict's test. Starch can be detected by iodine - potassium iodide solution test. Protein can be detected by biuret test. Lipid can be detected by Sudan IV test. Sucrose, a non - reducing disaccharide, may not be detected by common simple tests for macromolecules used in basic biology labs without prior hydrolysis.

Answer:

Sucrose