Science

Feb 16th 2011 Macro Molecules Lab Introduction: A supermolecule is a very large molecule created by separate small molecules joining. In biochemistry, the term is applied to the four molecules (nucleic acids, proteins, carbohydrates, and lipids). A honey oil property of macro molecules is the need for economic aid in dis firmness of purpose into consequence. Many require salts or particular ions to dissolve in water. Proteins will denature if the solute denseness of their ascendant is too advanced or too low. scheme: If we observe these radicals while we behave these mental running gameings, consequently we can fructify which solutions contain macromolecules. Purpose: To determine the aim of glucose, starch, lipids, and proteins in various samples. Safety: Tuck in slack clothing Tie long hair back cope solutions carefully toss away of solutions properly Procedure: sectionalization A 1. Hot water bath was specialise up. sensitive setting used for hot plate. 2. Six receive cylinders were mark with numbers racket 1-6 3. Six try thermionic valves were tag with numbers 1-6 4. 10ml of Protein solution was calculated let out into graduated cylinder 1. 10ml of veg oil was measurable out into graduated cylinder 2.

10ml of glucose solution was metrical out into graduated cylinder 3. 10ml of saccharose was measured out into graduated cylinder 4. 10ml of starch solution was measured out into graduated cylinder 5. 10ml of distilled water was measured out into graduated cylinder 6. 5. 10ml of severally sample was added to the examen provide with the same n umber. 6. Added 5 drops of benedicts soluti! on to apiece test tube. Contents were safely mixed. 7. Test tube het for 5 minutes. 8. Water bath was cooled. 9. Observations recorded for each test tube. 10. Test tubes were cooled and washed. Part B 1. Steps 3, 4, and 5 were repeated draw part A. 2. Added 5 drops of Iodine solution to each test tube. Mixed contents of each test tube safely. 3. save observation for each...If you want to get a full essay, dedicate it on our website: OrderEssay.net

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