Wisc-Online
Wisc Online: A Typical Animal Cell
Colorful, interactive image of an animal cell provides solid definitions of cell parts as the learner scrolls over each portion of the image or parts list. A short quiz follows the initial image to assess the learner's knowledge of cell...
Estrella Mountain Community College
Estrella Mountain Community College: Cell Organization
Description of organelles. Links will take you to a glossary with pictures for many of the definitions. Ends with a quiz linked to answers.
Cells Alive
Cells Alive:organelle Crossword #2
A crossword to help review the terms and definitions associated with organelles.
CK-12 Foundation
Ck 12: Physical Science: Replication in Science
[Free Registration/Login may be required to access all resource tools.] Definition of replication and its importance in science.
McGraw Hill
Mc Graw Hill: Epithelial Tissue
The structure and function of epithelial tissues and basements membranes are explained in this concise site.