Please choose the correct answer to the question: The structures found in a living cell can be compared to the parts of a factory that produces cars. Which part of the factory is most similar to the nucleus of a living cell?

Answer1: a conveyor belt that transports materials Answer2: a storage bin that holds the pieces needed to assemble a car Answer3: the computer room that controls the assembly process Answer4: the generator that provides energy for the factory

Answer format: answer1/answer2/answer3/answer4