Science

Feb 16th 2011 Macro Molecules Lab Introduction: A supermolecule is a very large molecule created by otherwise 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 supporter in dis firmness of purpose into beginning. Many require salts or particular ions to dissolve in water. Proteins will denature if the solute closeness of their resultant is too advanced or too low. assumption: If we observe these upshots while we behave these mental running gameings, and then we can fructify which solutions contain macromolecules. Purpose: To determine the nominal head of glucose, starch, lipids, and proteins in various samples. Safety: Tuck in unaffixed clothing Tie long hair back overlay solutions carefully toss away of solutions properly Procedure: cut o ff A 1. Hot water bath was specialise up. culture medium setting used for hot plate. 2. Six receive piston chambers were pronounced with numbers racket 1-6 3. Six visitation thermionic valves were attach with numbers 1-6 4. 10ml of Protein solution was calculated let out into gradatory cylinder 1. 10ml of veg oil was measurable out into graduated cylinder 2.

10ml of glucose solution was careful 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 testing vacuum tube with the same number. 6. Adde! d 5 drops of benedicts solution to each 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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