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Chapter 3: Cell Processes

The EPA’s Indoor Air Quality Home Page
Many people know that outdoor air pollution can cause health problems, but fewer are aware that indoor air pollution can be harmful, too. Visit this EPA site to learn more about indoor air quality and why this is of particular concern to schools.

Membrane Transport Mechanisms
Learn more about cellular transport at this site. Name two small molecules that can pass through the plasma membrane by passive diffusion.

Microbial Physiology
Learn of at least one useful product obtained from a microorganism at this site of the Heriot-Watt University of Edinburgh.

Fermentation – Science & Technology
This site describes some of the useful products of microbial fermentation.

Fruits of R&D – Waste Treatment
In this article, find the name of an organism that is being used in the treatment of waste water.

Novo Nordisk
This site describes how microorganisms are utilized to obtain important products in the food industry.

Biotechnology
Learn about the development of one technique for using microorganisms in the production of a drug.

Introduction to Biotechnology
Visit this site to find out more about useful products made using microorganisms.

Unit 1: Interactions in the Living World

The Particle Adventure
Visit this site for an interactive tour of the atom. View the movie and click on the link for an introduction to the fundamental particles and forces. How have scientists’ views of the fundamentals changed over time?

Virtual Chloroplast
Click on the links and follow the instructions to explore the organization of the plant chloroplast. View the movie that shows light absorption.

DNA Structure Movie
At this site you’ll find a movie about the structure of DNA. View the movie, then sketch a diagram of a DNA molecule in your Science Journal.

The Gene Letter
Find out more about how genetic disorders occur by accessing this article. In the case of X-linked recessive disorders, why don’t the sons of affected fathers also have the disorders?