The fence of the farm represents the cell membrane because it controls what comes in and out of the farm (or the cell). The farmer on the farm represents the nucleus of the cell because he is the control center. The farmer give instructions to the animals like the nucleus gives DNA instructions.
Hello there, The nucleus<span> maintains the integrity of genes and </span>controls<span> the activities of the </span>cell<span> by regulating gene expression. </span> Hope this helps :))