exam 2 questions - 1. Which macromolecules are the largest...

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1. Which macromolecules are the largest and most complex in living organisms? 2. What are some roles of proteins in organisms? 3. What are the two kinds of “transport” with which proteins help molecules get across cellular membranes? 4. Are all hormones proteins? Are all enzymes proteins? 5. Which of the following has about 50% protein? Eggs, meat, cassava, milk or legume seeds? 6. What makes bread rise? (Multiple answers) 7. What is gluten? 8. What is the number one food crop in the world? Number two? 9. Plants generally provide fairly large amounts of protein. True or False? 10. What commercial product is made from the outside layers of wheat seeds? 11. Which part of seeds has the highest percent protein? 12. What is the name of the protein malnutrition “disease” in humans? 13. What determines what a protein can actually do? 14. How many different amino acids are there? 15. What are the four parts of an amino acid? Which part is most important in determining protein function? 16. What is the name of the bond that joins the amino acids together in a specific protein? 17. Of the four parts of an amino acid, which one varies (and gives proteins their shapes)? 18. What are the four major levels of protein structure? 19. The shape of proteins of secondary structure may be flat or ________. 20. Protein shapes are maintained primarily by _______ bonding when hydrogen and oxygen share electrons. 21. Hemoglobin is an example of which level of protein structure. 21. Hair, feathers and hooves are made up of a protein called ________. 22. The most common protein in animals is ________, because skin, bones and cartilage are made of it. 23. Protein shape is what governs what a protein can do; but what causes proteins to be different shapes? 24. With proteins, does “form follow function?” 25. Insulin is a protein. Why does glucose build up in the blood of people who don't produce enough insulin? 26. What is the name of the “bad” protein produced by fat cells and which blocks the action of insulin? 27. Can humans change some amino acids to others? How many amino acids are considered “essential” for adult humans? 28. What is a gene?
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This note was uploaded on 03/31/2008 for the course BIO 202 taught by Professor Staff during the Spring '08 term at Michigan State University.

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exam 2 questions - 1. Which macromolecules are the largest...

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