As you make use of the study guides in this site, I encourage you to go beyond your text to broaden your understanding of the topic. The SC Department of Education publishes curriculum standards in science. Look here for a description of what you should know as you come into your college science courses. Make use of our campus library and its electronic resources . Scientific American is a very good magazine for keeping you up to date in all the areas of science.
Nature is one of the world's best science journals.
The New York Times offers news in the areas of science and health . Science Daily is a web magazine that is packed with current research news. The University of Arizona has a very useful Biology Project . The WWW Virtual Library is packed with science links.