Controls the cell through the expression of genes.

Where DNA is replicated and transcribed.

mRNA is modifed here before being realsed into the cytoplasm.

Synthesizes Proteins

( using the ribosomes on its cisternae)  

Controls which substances can enter and exit a cell.

Double layer of water repellant molecules.

pores that run through the water repellant layer are called protein channels

Chemical Powerhose of the Cell

produces ATP

Fat also Digested Here 

Digestion of old organelles, engulfed bacteria and viruses.

Contains Hydrolytic Enzymes

Comparison of prokaryotic and eukaryotic cells

Plant Cell Wall it is found around all plant cells

Composed of cellulose.Maintains the shape of the cell. Provides structural support against the force of gravity.prevents excessive uptake of water by the cell

Animal extracellular matrix provides structural support for animal cells includes the interstial matrix and the basement membrane.