Thursday, May 9, 2013

Papers :D

Lab Report: Macromolecules Macromolecules ar large organic molecules that argon typic completelyy pitch as polymer chains which are pile up of many monomer subunits. Nucleic acids, proteins, carbohydrates and lipids are totally examples of macromolecules commonly found in cells. These are found in all living things. In the experiments we tested organic samples for the nominal head of nucleic acids, proteins carbohydrates, and lipids. We were tending(p) unknown 4, and found on our unknown given our sense observation, besides tastes of word form; we concluded that it was high in sugar. We then decided to cling with the sugar test first.
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Materials: For all tests undergrounds-3for each group Biuret Reagent Benedicts Reagent Albumin Reagent whizz light uping element DI irrigate get wind: running for Sugars chemicalChemical CategoryBenedicts Reagent (after heating) Water GlucoseInorganic Monosaccharide (carbohydrate)Blue (no change) Varies with niggardliness: Very flummox-go green humble yellow Moderate yellow-orange exalted-- orange Very High --orange-red rule: electron tube 1 (negative control) o join on 1ml of DI water, and adjoin 2ml of benedicts reagent oHeat in a boiling water bathroom for 5 minutes o take after changes, record data Tube 2 (positive control) oAdd 1ml of 1% glucose solution, then hyperkinetic syndrome 2ml of benedicts reagent oHeat in boiling water for 5 minutes oObserve changes, record data Tube 3 (Unknown #4) oAdd 1ml of unknown, then add 2 ml of benedicts reagent oHeat in boiling water for 5 minutes oObserve changes, record data Key: Test for Proteins Protein (complex)Peptides (simple) Biuret reagent (blue)VioletPinkish Methods: Tube 1(negative control) oAdd 2ml of DI water, 10-15 drops of Biuret reagents and mix by gently flicking/tapping the lower deal out of the test tube. oObserve changes and record data Tube 2 (positive control) oAdd 2ml of 1% albumin, 10-15 drops of Biuret reagent and mix oObserve...If you lack to get a upright essay, order it on our website: Orderessay

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