Question

which of the following events in a cell would require atp?
splitting a lipid molecule into smaller parts
breaking a carbohydrate into individual sugar subunits
linking together amino acids to form a protein
passive movement of molecules through the cell membrane

Explanation:

ATP is energy - currency. Building complex molecules like proteins from amino - acids requires energy input. Other options are passive or catabolic processes.

Answer:

linking together amino acids to form a protein