Question

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a scientist is examining the function of macromolecules in a cell. she notices that movement of large molecules into and out of the cell is disrupted when she damages one specific type of macromolecule. which macromolecule has she most likely damaged? a nucleic acid a protein a carbohydrate a steroid

Explanation:

The movement of large molecules into and out of the cell often involves transport proteins (like channel or carrier proteins) embedded in the cell membrane. Nucleic acids (e.g., DNA/RNA) are for genetic info, carbohydrates for energy/storage, and steroids (a type of lipid) for signaling/structure but not direct large - molecule transport. So damaging a protein (specifically a transport protein) would disrupt this function.

Answer:

a protein