If a particular job of a cell was to swim a long distance to an egg with a flagella, then it would need more mitochondria. As mitochondria undergo cellular respiration and essentially utilize the carbohydrates for that particular cell to produce the final product of ATP high energy containing molecules needed for the movement.
A nucleus cell contains chromosomes among other things.
That would be the ribosome
Ribosomes are tiny particles that carries RNA molecules.
