L#06%2009-01-11%20Study%20Questions%20ch4%20lipids%2c%20protein%20%2cenzymes%2c%20nutrition

L#06%2009-01-11%20Study%20Questions%20ch4%20lipids%2c%20protein%20%2cenzymes%2c%20nutrition

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Biology 1103 Thursday 09-01-11 Study questions for Lecture #6 - Lipids, Proteins, Enzymes, Nutrition Chapter 4 1. Describe the building block molecules, structure, and biological importance of fats, phospholipids and steroids. 2. What is a triglyceride? 3. What does it mean to be hydrophobic? Hydrophilic? What is a phospholipids bilayer? 4. Can you distinguish between saturated and unsaturated fats? What are trans fats? Omega-3 fatty acids? What is the main difference between a solid fat and an oil? 5. What is an anabolic steroid? Why are anabolic steroids dangerous? 6. Distinguish between LDL and HDL cholesterol? Which one is the “good” and which the “bad” cholesterol? Why? What is a coronary infarct?
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Unformatted text preview: 7. What are the four major components of an amino acid? Draw an amino acid. How many different amino acids are found in protein? What are the R groups? 8. Explain how a peptide bond forms between two amino acids. What is a polypeptide? 9. List the different types of protein, their function and examples. 10. What is the difference between an endergonic and an exergonic chemical reaction? 11. What do enzymes do? What is the chemical make-up of enzymes? What is an activation barrier? What is an active site? 12. Compare an anabolic reaction with a catabolic reaction. 13 What is metabolism? 14 What is the difference between type 1 and type 2 diabetes?...
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