The Effects Of Contaminants On The Rate Of Cellular Respiration

1683 WordsOct 29, 20147 Pages
The Effects of Contaminants on the Rate of Cellular Respiration Brooke Gipson 10/29/2014 Instructor: Rupal Mangukiya EVPP 110, Section 211 Abstract Early in the semester, a question came up regarding the effect of pollutants on the rate of cellular respiration. Curious, an experiment was administered to find this effect. Yeast and water was added to eight culture tubes. Pollutants were added to six of the eight culture tubes and sugar was added to seven of the eight. At the end of observation, the data insisted that pollutants had a negative and sometimes inhibitive effect on the rate of cellular respiration. Introduction Cellular respiration is a very important process that occurs in all living organisms. In this process, chemical energy is obtained by the organisms’ food source to be turned into ATP or adenosine triphosphate, a form of energy that is easily utilized by the organisms’ bodies to carry out certain bodily functions (Largen, 2008, p.41). The chemical formula for cellular respiration is C6H12O6+6O2+6H2O→6CO2+12H2O+energy. This simply means that, with the use of glucose, six molecules of oxygen, and six molecules of water, an output of six carbon dioxide molecules, twelve molecules of water, and energy (ATP) is produced (Khan, 2010). Glucose is especially important in this process, given that it acts as a fuel in cellular respiration. (Cellular Respiration: Introduction, n.d.). In the biosphere, there is also a vast

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