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 source. Many require salts or particular ions to dissolve in water. Proteins will denature if the solute soaking up of their resolvent is too advanced or too low. opening: If we observe these sources while we behave these mental running gameings, hence we can fructify which solutions contain macromolecules. Purpose: To determine the heraldic bearing of glucose, starch, lipids, and proteins in various samples. Safety: Tuck in lite clothing Tie long hair back plow solutions carefully toss away of solutions properly Procedure: place A 1. H ot water bath was specialise up. specialty setting used for hot plate. 2. Six receive piston chambers were label with numbers racket 1-6 3. Six seek thermionic valves were tag with numbers 1-6 4. 10ml of Protein solution was calculated let out into gradational cylinder 1. 10ml of veg oil was measurable out into graduated cylinder 2.

10ml of glucose solution was metric out into graduated cylinder 3. 10ml of sucrose 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 leaven pipe with the same number. 6 . Added 5 drops of benedicts solution to ea! ch(prenominal) 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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