... organism's cells. Each chromosome is made up of fine strands of deoxyribonucleic acids, or DNA. The information carried on the DNA determines the cells function within the organism. Sex cells are the only cells that contain a complete DNA map of the organism, therefore, "the structure of a ... DNA molecule or combination of DNA molecules determines the shape, form, and function of the [organism's] offspring " (Lewin 1). DNA discovery is attributed to the research of three scientists, Francis Crick, Maurice Wilkins, and James Dewey Watson ... engineering, specifically, gene therapy. The ...

• Word Count: 3104
• Approx Pages: 12
• Has Bibliography
• Grade Level: High School

... on a symbiont relationship with another prokaryote. The aerobic prokaryote was enclosed by the bacterium's cell surface membrane in the process of endocytosis, which is made easy by the absence of a cell wall in the bacterium. The aerobic prokaryote wasn't digested but continued to function inside the other cell. The host cell received energy that the aerobic prokaryote released. The mitochondrion that was forming had everything ... He also observed that high birthrates and a shortage of life's necessities forced organisms into a constant "struggle for existence," both against the enviro...

• Word Count: 2685
• Approx Pages: 11
• Has Bibliography
• Grade Level: High School