Stem cells are considered the building blocks of biology. Research in developmental biology is what led to the discovery of human stem cells, precursor cells that can give rise to multiple tissue types. ... Another problem is once they are done gathering all of this information and discoveries with the stem cells, whom are they going to test this new knowledge on? ... John Fletcher states: This research has the potential to revolutionize the practice of medicine. ... We are now at the center of biology itself. ...

• Word Count: 1225
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

Another use of stem cells is for testing new drugs. ... In the medical field today, the most common practice for treating organs that do not function properly is by transplant. ... Some animal testing has been done and found effective. Scientists ran test on mice suffering from a form of heart disease. ... This argument can be proven illogical based on basic biology of embryo development (Harris). ...

• Word Count: 1627
• Approx Pages: 7
• Has Bibliography
• Grade Level: High School