Biochemical and Biophysical Principles Essay

Biochemical and Biophysical Principles Essay

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We performed a series of experiments that enabled us to understand some basic biochemical and biophysical principles; Osmosis, Diffusion, Hydrophobic and Hydrophilic substances and the like. We differentiated hydrophobic substances and hydrophilic substances by observing the different reactions of water, oil, and substance X. On the other hand, we also observed the different characteristics of Osmosis and Diffusion. Finally, we described the different characteristics of some Carbohydrates and compared their characteristics with each other. We performed these activities on order to give us a slight idea of how hydrophobic and hydrophilic substances behave and react with each other; how Diffusion and Osmosis differ; how different factors affect the rate of diffusion and osmosis; how carbohydrates are classified and grouped accordingly. The experiment in Osmosis did not work as planned due to the errors committed by the group members. These errors will be discussed further in the "Discussion" of the report. Meanwhile, the results of the other experiments were satisfactory. We were able to observe closely the reactions of the hydrophobic and hydrophilic substances. We discovered the different polarities of these substances and how it affects their interaction. We were also able to witness the factors that affected diffusion and how it affected its rate. By observing and comparing different test tubes and beakers, the group discovered some factors that speed up the rate of diffusion. Lastly, we were able to touch and observe different kinds of Carbohydrates and how Barfoed's Reagent reacted with each kind. We were able to find out that monosaccharides reacted with Barfoed's Reagent. Overall, the activities we did were tirin...


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...der to sustain life. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration. Diffusion is affected by factors such as volume/ distance and heat (kinetic energy). Osmosis is the passing of water molecules through a semi-permeable membrane, usually a hypotonic solution such as the cytoplasm of an egg. Carbohydrates are have many classifications, and monosaccharides are recognized by using the Barfoed's reagent. Monosaccahtrides give a brick red color.

Literature Cited

http://en.wikipedia.org/wiki/Thermodynamics

http://en.wikipedia.org/wiki/Hydrophobic

http://academic.brooklyn.cuny.edu/biology/bio4fv/page/hydrophi.htm

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