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Download Worksheet for Biology 1107 Biological Molecules: Structure and
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Worksheet for Biology 1107 Biological Molecules: Structure and Methods of Analysis Using the text provided on the web site and using the models of the molecules provided in lab: answer the following questions, and turn them in to your instructor. 1. The two groups of monosaccharides that are most important to biologists have how many carbons? a. Name the most important sugars found as part of nucleic acids. b. Name the most important sugars that have 6 carbons. 2. Which of the models are monosaccharides and indicate the name of each. 3. Name the major storage polysaccharide of: a. Plants b. Animals 4. Why do plants make cellulose? 5. Why would an enzyme capable of breaking down starch and glycogen not be capable of breaking down cellulose? 6. What macromolecules are the following reagents or tests used to identify: a. Benedict’s reagent b. Lugol’s reagent c. thin-layer chromatography d. biuret assay e. ninhydrin 7. List the names of the four fatty acids found on page 3 of the biomolecules text. 8. What are the monomers of proteins? 9. List the amino acids that are in the primary structure of the peptide on page 5 of the biomolecules text. 10. Name the two purines and the three pyrimidines. Which of the models is a purine and which is a pyrimidine? 11. Which base is found in RNA but not DNA? Is it a purine or pyrimidine? 12. Which base is found in DNA but not RNA? Is it a purine or pyrimidine? 13. If one strand of double-stranded DNA has the sequence GCTACTTAAACTG what would be the sequence of the complementary strand? 14. Give the name of each of these molecular models: A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T.