n, half number of chromosomes, only in sex cells, 23 in humans

2n, full number of chromosomes, 46 in humans

stem cells that can specialize into any other cell

stem cells that can specialize into many different cells

stem cells that can specialize into a few other cells

cells that can only reproduce a single type of cell

a type of green algae

specialized structures inside of cells

A very large cell with many nuclei, does not have an end cell wall

species with extraordinarily large cells