Molecules and Processes of Life Activity 6 - Cellular Respiration and the Effects of Pollutants on Its Rate - Lab Report Example

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The experiment also aims in determining the effect on the rate of cell respiration with changes in supply of a carbohydrate to the process…
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Molecules and Processes of Life Activity 6 - Cellular Respiration and the Effects of Pollutants on Its Rate
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Download file to see previous pages s carried out using yeast and the focus of the experiment was given to the amount of gas that was being produced to determine amount of carbon dioxide in the produced gas. The gases are produced after the yeast cells carry out respiration.
The experiment looked at how carbohydrates affect respiration that occurs in cells. This was investigated by addition of sugar to the yeast after the first test was carried out. The addition was aimed at production of more gas especially carbon dioxide which determined that the rate increased in cellular respiration. Pollutants in the experiment were expected to have an effect on the cellular rate of transpiration (Audesirk, Audesirk & Byers, 2006). More different pollutants were added to the yeast and the amount of carbon dioxide that was produced measured to determine the effect of the pollutants on cellular rate of transpiration.
The main aim of the experiment was to determine the role of cellular respiration in the processes of life. Respiration in cells is defined as the course of energy from chemical in food is obtained and then converted to an energy form that can be utilized by living organisms in the course of living. The objectives of the experiment were to determine how the rate of cellular respiration is affected by the incidence of carbohydrates and also whether the rate was affected by pollutants (Jørgensen & Fath, 2008). Hypothesis of the experiment was that an organism will be exposed to a higher rate of cellular respiration with availability of carbohydrate than when there is no carbohydrate. Another hypothesis was that an organism will have a lower rate of cellular respiration with a source of carbohydrate and a pollutant than when there is a source of carbohydrate and without source of pollutant. The pollutants are thought to play a role in interruptions that occur in cellular respiration.
There are two types of cellular respiration which both depend on energy. The two types of respiration include aerobic ...Download file to see next pagesRead More
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