The cell is like a train station because the cell organelles work together, in the same way that the parts of the train station work together

The nucleus is like the front train car because the nucleus hold important information, in the same way that the front train car holds the directions to control the train.

The nucleolus is like a gas pump because the nucleus creates ribosomes in the cell, in the same way the gas pump creates gas in the train

Chromosomes are like the conductor because chromosomes run the cell, in the same way that a conductor runs a train

The endoplasmic reticulum is like train cars because the endoplasmic reticulum transports proteins, in the same way train cars transport people.

The ribosome is like the gas because the ribosome creates protein, and the gas creates smoke. Also the ribosome comes from the nucleolus, in the same way gas comes from the cas pump

The Golgi apparatus is like the train loader because the golgi apparatus sorts and sends materials to different places, in the same way that the train loader sorts packages and sends packages.

The plasma membrane is like the door because the plasma membrane lets certain materials through in the same way the door lets certain people through