a scientist is examining the function of macromolecules in a cell. she notices that movement of large…

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.\nwhich macromolecule has she most likely damaged?\n○ a carbohydrate\n○ a steroid\n○ a nucleic acid\n○ a protein
Answer
Brief Explanations:
Proteins play crucial roles in transporting large molecules across the cell membrane. Carbohydrates are mainly for energy and cell - identity markers, steroids are lipids with regulatory functions, and nucleic acids store and transmit genetic information.
Answer:
D. a protein