You could always use a light or clear jello for the cytoplasm, and use things around the house for the various insides, such as: Cereal, dryed beans, ribbon, hard candies and more. Hope this helps.
Clay
don't use food
Use stuff from the craft aisle. (styrafoam, cardboard, or playdough.etc)
you go on google and type how to make a paper mache plant cell
epithelial cell
because the animal cell has 45 different tibula's and the human cell only has 4
It pretty much has to do with sex to make the animal cell...
use tennis ball and pipe cleaner
if you try
you decorate a cake with frosting and use candy etc. to make an animal cell i did that for a 7th grade science project
As you can see there will be a animal crossing coming out soon but not too soon! And im excited.
styrofoam from your local craft store.
Basicly to tell the cell what to do, what to make and how much. It is the director of the cell.