Cells consist of cytoplasm, enclosed in a plasma membrane, usually controlled by a single nucleus. Two cell types that can be easily looked at under a light microscope are human cheek cells (animal cells) and moss leaf cells (animal cells)
Animal Cells:
Animal Cells:
http://www.animalport.com/img/Animal-Cell.jpg
Plant Cells:
http://www.eecs.berkeley.edu/Programs/doublex/spring03/strawberrydna_files/image003.jpg
