Chem 62 Chapter 20 (Carbohydrates) Optional Study Guide

Chem 62 Chapter 20 (Carbohydrates) Optional Study Guide -...

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DR. JIM BLOXTON’S OPTIONAL STUDY GUIDE TO ACCOMPANY CHEM 62 CHAPTER 20 CARBOHYDRATES Note: This is an optional study guide. This study guide is not an exhaustive list of questions that could appear on quizzes or exams. These are sample questions that may or may not be used on a quiz or midterm exam or final exam. Other questions that are not found on this study guide will be on actual quizzes, midterm and final exams. It is important to do all of the homework problems that are in your Chem 62 lecture text in addition to the questions in this study guide. Make sure that you do all of the Chemical Connections homework questions that have assigned. Learn the basic principles and then be prepared to apply the principles to problems that you have not seen before. Note: It is very important to remember that Chemistry is a cumulative topic and that the material that was covered in previous chapters needs to be reviewed as this material will continue to reappear in concepts that are needed to solve new problems. The following questions are to be answered from CHEM 62 CHAPTER 20 LECTURE TEXT, LECTURE NOTES AND LECTURE SLIDES. 1. Give three general uses of carbohydrates and give various examples of compounds or classes of compounds for each of these uses of carbohydrates. 2. What is a carbohydrate? 3. What is the general formula of a carbohydrate? What are the two general ways that a carbohydrate formula can be written? Give two examples. 4. Do all carbohydrates have the general formula of a carbohydrate that was given in problem 3? If not give some general and specific examples. 5. What is a description of carbohydrates at the molecular level? 6. What is hydrolysis? 1
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7. Why are the simplest members of the carbohydrate family referred to as saccharides? 8. How carbohydrates classified and what is the basis for this classification? 9. What is a monosaccharide? What is the general formula of a monosaccharide? 10. What does the ending –ose mean? How many carbon atoms do the most common monosaccharides have? How is the number of carbon atoms in a monosaccharide chain indicated? Give some specific examples. 11. What is an aldose? Give some examples. 12. What is a ketose? Give some examples. 13. Is galactose an example of a monosaccharide and a ketose? Explain. 14. What sugar is also known as blood sugar? 15. What sugar is known as table sugar? 16. What sugar is found in RNA? 2
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17. What sugar is found in deoxyribonucleic acid? 18. Draw the structures of glyceraldehyde and dihydroxyacetone and classify according to type of sugars. 19. What are trioses, tetroses, pentoses and hexoses? 20. What is a Fisher projection? 21. What is the method for drawing Fisher projections? Give some examples. 22. Draw the Fisher projections of D-glyceraldehyde and L-glyceraldehyde.
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Chem 62 Chapter 20 (Carbohydrates) Optional Study Guide -...

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