Chapter 14 Related Web Sites


  • National AIDS Clearinghouse
    Human immunodeficiency virus (HIV) comes in many genetic and biologic variations.
  • United States Environmental Protection Agency Prevention, Pesticides & Toxic Substances
    Questions & Answers - Pesticides and Food Safety. Recently, EPA has received a number of questions about the programs to protect the public, and particularly children, from pesticides in food. This document is intended to answer some of the most common questions that EPA has received.
  • Monoclonal Antibody Technology
    Substances foreign to the body, such as disease-causing bacteria and viruses and other infectious agents, known as antigens, are recognized by the body's immune system as invaders. Our natural defenses against these infectious agents are antibodies, proteins that seek out the antigens and help destroy them.
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