Science Homework Help
MBM Engineering College Lipids Questionnaire
I’m working on a biochemistry multi-part question and need guidance to help me learn.
Experiment 9: Lipids Prelab Questions
1. What are the functions of Cholesterol?
2. Why do you need to use a solvent mixture such as hexane-isopropanol to extract lipids?
3. Why do you need to use sand while grinding the food samples?
4. What is the purpose of 15% Na2SO4?
5. Learn the meaning of following terms. Amphipathic, Esterification, Fatty Acids (saturated vs. unsaturated), Phospholipids, Polar vs. Nonpolar, Steriod, Triglycerides, Waxes.
6. Use on-line resources to find out the lipid profile and composition in peanuts, avocado, cow liver and egg
7. User on-line resources to learn how researches use thin layer chromatography to identify various types of lipids present in food samples.Experiment 10: Ripening Bananas: What’s Happening and Can We Control It?
Prelab Questions
- What are reducing sugars?
- What assumptions we make in the determination of both reducing sugar and starch percentages and why they are fair?
- Use following standard curve to determine the sugar content in the unknown if the unknown had an absorbance of 0.5?
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