Post Lab 2 - reagent in because the absorbance would have...

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Kayla Abeyta 9/13/11 Post Lab 1) A. lipid B. carb C. protein D. protein 2) To find the concentration of starch, you would first have to create a graph of your known substances and then be able to retrieve an equation from the line of the graph. From there you can plug in what information you do know about the unknown solution and be able to find the concentration. 3) For the blank for the protein we filled it up with water and then biuret reagent as well. We had to prepare it this way so that we could have a tube that didn’t have any reaction no matter what. Water is the one element that will not react. We also had to put the
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Unformatted text preview: reagent in because the absorbance would have been difference because of the color of the reagent as well. 4) The draw back in not having a Benedicts test for water is that the students can not see what it would look like with absolutely no reaction whatsoever. Water is one of the few elements that we know that will always stay constant. 5) Animals can alter its cell membrances to cope with the decreased temperature by growing more, and thicker hair on their bodies to warm them up faster and longer, causing a more fluid cell membrane even if it is in a colder environment....
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