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Lab Report: Macromolecules Macromolecules be large organic molecules that are typically assemble as polymer chains which are tranquilize of many monomer subunits. Nucleic acids, proteins, carbohydrates and lipids are all examples of macromolecules commonly found in cells. These are found in all living things. In the experiments we tested organic samples for the presence of nucleic acids, proteins carbohydrates, and lipids. We were given unknown 4, and found on our unknown given our sense observation, besides tastes of choose; we concluded that it was high in sugar. We then decided to scotch with the sugar test first.

Materials: For all tests pipings-3for each group Biuret Reagent Benedicts Reagent albumin Reagent single light uping element DI water Key: analyze for Sugars chemicalChemical CategoryBenedicts Reagent (after heating) Water GlucoseInorganic Monosaccharide (carbohydrate)Blue (no change) Varies with concentration: Very flummox-go green unkept yellow Moderate yellow-orange High-- orange Very High --orange-red shape: tobacco pipe 1 (negative control) o join on 1ml of DI water, and impart 2ml of benedicts reagent oHeat in a stewing water bath for 5 minutes o pursue changes, record selective information tubing 2 (positive control) oAdd 1ml of 1% glucose solution, then add 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 minute s 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 thinly flicking/tapping the lower distribute 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 want to get a full essay, order it on our website: BestEssayCheap.com

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