About BiologyBiologySexual Reproduction- June 28, 2008 Human Ovum and Sperm Dennis Kunkel Individual organisms come and go, but, to a certain extent, organisms transcend time through reproducing offspring. In sexual reproduction, two individuals produce offspring...http://biology.about.com/b/2008/06/28/sexual-reproduction.htm From Plant to Medicine- June 27, 2008 Researchers have come one step closer to being able to use plants more often as a source for a particular type of medicine. An important gene has been identified that is...http://biology.about.com/b/2008/06/27/from-plant-to-medicine.htm All About Muscles- June 26, 2008 Heart Muscle Cell Dennis Kunkel Muscle tissue is made of excitable cells that are capable of contraction. This tissue is the most abundant tissue in most animals. ...http://biology.about.com/b/2008/06/26/all-about-muscles.htm Adult Stem Cells Repair Damaged Tissue- June 21, 2008 Researchers have discovered two important pathways that control stem cell function. One pathway signals cell repair, while the other inhibits cell repair. When cells get worn out or damaged, certain biochemical...http://biology.about.com/b/2008/06/21/adult-stem-cells-repair-damaged-tissue.htm Biology Games: Animal Group Names- June 21, 2008 All animals have common names. These names may be different for the male, female, and young of a species. They may also be different for different groups of animals. For example,...http://biology.about.com/b/2008/06/21/biology-games-animal-group-names.htm Diet and Memory Loss- June 20, 2008 Before you eat that big juicy steak or those tasty fries, you may want to think about how it might affect your memory. A study suggests that a diet high in...http://biology.about.com/b/2008/06/20/diet-and-memory-loss.htm How Salmonella Avoids Detection- June 14, 2008 SalmonellaCredit: Janice CarrCDC The nationwide outbreak of Salmonella in raw red plum, red Roma, and round red tomatoes has caused much concern among consumers. Salmonella is responsible for millions...http://biology.about.com/b/2008/06/14/how-salmonella-avoids-detection.htm Bacteriophage Animations- June 13, 2008 Bacteriophage Structure Gary E. Kaiser Bacteriophages are viruses that infect bacteria. Viruses cannot reproduce or express their genes without the help of a host. Viruses that kill their infected...http://biology.about.com/b/2008/06/13/bacteriophage-animations.htm Anatomy Quiz- June 13, 2008 Human anatomy is a popular subject for many biology students. Human anatomy deals with body components and body structure. The human body is organized on various levels. Each of these...http://biology.about.com/b/2008/06/13/anatomy-quiz.htm What is the Golgi Complex- June 7, 2008 Golgi Apparatus Dennis Kunkel The Golgi complex or Golgi apparatus is responsible for manufacturing, warehousing and shipping certain cellular products, particularly those from the endoplasmic reticulum (ER)....http://biology.about.com/b/2008/06/07/what-is-the-golgi-complex.htm |