Biology Pages
Kimball's Biology Pages: Dna Replication
This page provides a fairly high level explanation of DNA replication with extensive graphics. Good description of this process.
BiologyWise
Biology Wise: Unicellular Organisms
A unicellular organism is made of only a single cell. Its characteristics are described and several examples are provided.
Other
The Domains and Kingdoms of Life
This site is a description of the history behind the 5 Kingdom system suggested by Robert Whittaker. An extensive list of resources is included.
ClassFlow
Class Flow: Cell Presentation
[Free Registration/Login Required] This Flipchart will go over the basic parts of a cell.
BiologyWise
Biology Wise: Cytoplasm: The Functions of the Building Blocks of Life
Describes what cytoplasm is and its functions in regulating cellular processes.
McGraw Hill
Mc Graw Hill: Control of Gene Expression Quiz
Take this 32 question quiz on control of gene expression. The quiz is multiple choice.
University of Arizona
University of Arizona: Guia Sobre Procariontes, Eucariontes &Virus
This exercise is to introduce you to the kinds of cells that make up all living systems, and to contrast cells with viruses. At the end you can test your understanding of these topics by taking a short test.
Khan Academy
Khan Academy: Plasma Membrane and Cytoplasm
Article takes an in-depth look at the structure and function of the plasma membrane and cytoplasm of cells, the phospholipid bilayer, and microvilli.
Khan Academy
Khan Academy: Nucleus and Ribosomes
Discussion in detail of the structure and function of the nucleus and ribosomes of a cell and how they work together in the production of proteins.