 
 <translate> The important part for answering this question is: It inhibits the third and final stage of bacterial cell wall synthesis in binary fission, which ultimately leads to cell lysis; therefore, ampicillin is usually bacteriolytic. So, the answer is cell wall. <ibo> Akụkụ dị mkpa maka ịza ajụjụ a bụ: Ọ na-egbochi nke atọ na nke ikpeazụ nke njikọ nke mgbidi mkpụrụ ndụ nke nje bacteria na nkewa nke abụọ, nke na-eduga na lysis cell; ya mere, ampicillin na-abụkarị bacteriolytic. Ya mere, azịza ya bụ cell wall. 