Essay Database

… thousands of times a year a single-celled zygote, smaller than a grain of sand, transforms into an amazingly complex network of cells, a newborn infant. Through cellular differentiation and growth, this process is completed with precision time and time…

… Aim: 'To see what factors affect the decomposition of hydrogen peroxide by the enzyme catalase which is found in the liver'         Introduction: Enzymes are biological catalysts. They speed up the chemical reactions which go on inside…

… the author had two observations that prompted him to explore the question or possibility of the transmission of the ear mite, Octodectes cynotis, to human beings. The first observation made by the author was in the case of a woman who had brought…

… September 11th terrorist attacks on the World Trade Center, and still victims' bodies are in the process of being identified. In matters like this, forensic scientists are forced to "bring out the big guns." Researchers can compare DNA samples from…

… of DNA that have little or no known function, but vary widely from one individual to another, in order to identify individuals ·deoxyribonucleic acid (DNA): nucleic acid that contains the sugar deoxyribose ·restriction enzyme: enzyme that cuts…

… organ transplants, and fighting disease. Although there are many benefits, the side effects and moral issues are too big for us to continue experimentation. Firstly, cloning can help us solve many problems like infertility, diseases, organ transplants…

… years, scientific advances on the genetic code have flooded the news and media and left many wondering what was next. The knowledge gained from decoding and identifying the Human Genome has raised many morally complex questions for scientists to…

… functional units. These nephrons collect fluid filtered from the blood. The kidney connects to the renal artery, renal, vein, and ureter. Purified blood leaves the kidney using the renal vein, urine leaves using a ureter and the renal artery…

… role in the underlying principals of genetic inheritance. My research project will give a detailed description of his life, his works and the time he spent in life. Gregor Mendel researched agriculture. When he was younger he entered the monastery.…

… have put many countries at risk, especially the United States of America. The video takes us into restricted Russian labratories, which noone from the U.S. goverment has ever been allowed to enter before, especially with cameras. These labratories,…