Essay Database

… chloroplast, a person learns all of the similarities and differences between the two. In this essay, you will read about the mitochondria, the chloroplast, and their biochemical reactions. The mitochondria often referred to as the powerhouse cell is…

…         Because of the increasing changes in the environment, a career as an ecologist is an important venture, especially for an earth-science oriented person with a love for nature and animals. With the number of ecological disasters escalating…

… reaction of the enzyme catalyses. Aim To measure the rate of reaction by looking at the amount of oxygen given off when a yeast culture b is added to different concentrations of hydrogen peroxide Background information An enzyme is a biological…

… inorganic ions is called mineral nutrition. This area of research is central to modern agriculture and environmental protection. High agricultural yields depend strongly on fertilization with mineral elements. Mineral elements are acquired…

… identical. Most clones result from asexual reproduction, a process in which a new organism develops from only one parent. The one process of cloning, called nuclear transfer, replaces the nucleus of an immature egg with a nucleus from another cell.…

… by "Mini-Hitlers", genetic replicates of Adolf Hitler, all of them seeking world domination. If this happened, would a second Holocaust begin on a worldwide scale, killing millions upon millions of people in order to establish a superior race? Probably…

… cell. Virtually all eukaryote cells have a nucleus (red blood cells lose theirs and so are enucleate for most of their life-span of 180 days). It is surrounded by the nuclear envelope, a double membrane with contains a large number of pores. Molecules…

… in all the chemical processes in living things. As they are made of proteins they are affected by pH and temperature. Enzymes are catalysts; they speed up chemical reactions without being changed themselves. Digestive enzymes speed up the breakdown…

… the oldest and most controversial issues that different groups have faced. Are we as written in religious books merely creations of a greater being or are we just another creature that nature came up with? I believe that one of the key issues to this…

… OF ENZYME ACTIVITY. To investigate the effect that temperature has on enzyme activity I am going to use the enzyme amylase, which is used as a biological catalyst to break down starch, which cannot pass through the gut wall due to the size of the…