{"id":1294,"date":"2021-02-19T14:52:03","date_gmt":"2021-02-19T14:52:03","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/?post_type=chapter&p=1294"},"modified":"2021-02-26T20:49:06","modified_gmt":"2021-02-26T20:49:06","slug":"exercises-6","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/chapter\/exercises-6\/","title":{"raw":"Exercises","rendered":"Exercises"},"content":{"raw":"
\r\n

Part I<\/h3>\r\n
    \r\n \t
  1. \r\n
    \r\n

    A nucleotide of DNA may contain ________.<\/p>\r\n\r\n

      \r\n \t
    1. ribose, uracil, and a phosphate group<\/li>\r\n \t
    2. deoxyribose, uracil, and a phosphate group<\/li>\r\n \t
    3. deoxyribose, thymine, and a phosphate group<\/li>\r\n \t
    4. ribose, thymine, and a phosphate group<\/li>\r\n<\/ol>\r\n<\/div>\r\n
      \r\n

      [reveal-answer q=\"856154\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"856154\"]3[\/hidden-answer]<\/p>\r\n2.\u00a0The building blocks of nucleic acids are ________.<\/span>\r\n

      \r\n
        \r\n \t
      1. sugars<\/li>\r\n \t
      2. nitrogenous bases<\/li>\r\n \t
      3. peptides<\/li>\r\n \t
      4. nucleotides<\/li>\r\n<\/ol>\r\n<\/div>\r\n
        \r\n

        [reveal-answer q=\"528972\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"528972\"]4[\/hidden-answer]<\/p>\r\n3.\u00a0What are the structural differences between RNA and DNA?\r\n\r\n4.\u00a0What are the four types of RNA and how do they function?\r\n\r\n<\/div>\r\n<\/div><\/li>\r\n<\/ol>\r\n<\/section>\r\n

        Part II<\/h3>\r\n
          \r\n \t
        1. \r\n
          \r\n\r\nWhich of the following is not true about enzymes:\r\n
            \r\n \t
          1. They increase \u2206G of reactions<\/li>\r\n \t
          2. They are usually made of amino acids<\/li>\r\n \t
          3. They lower the activation energy of chemical reactions<\/li>\r\n \t
          4. Each one is specific to the particular substrate(s) to which it binds<\/li>\r\n<\/ol>\r\n<\/div>\r\n
            \r\n\r\n[reveal-answer q=\"706972\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"706972\"]1[\/hidden-answer]\r\n\r\n2.\u00a0An allosteric inhibitor does which of the following?<\/span>\r\n
            \r\n
              \r\n \t
            1. Binds to an enzyme away from the active site and changes the conformation of the active site, increasing its affinity for substrate binding<\/li>\r\n \t
            2. Binds to the active site and blocks it from binding substrate<\/li>\r\n \t
            3. Binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate<\/li>\r\n \t
            4. Binds directly to the active site and mimics the substrate<\/li>\r\n<\/ol>\r\n<\/div>\r\n
              \r\n

              [reveal-answer q=\"122634\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"122634\"]3[\/hidden-answer]<\/p>\r\n3.\u00a0Which of the following analogies best describe the induced-fit model of enzyme-substrate binding?<\/span>\r\n

              \r\n
                \r\n \t
              1. A hug between two people<\/li>\r\n \t
              2. A key fitting into a lock<\/li>\r\n \t
              3. A square peg fitting through the square hole and a round peg fitting through the round hole of a children\u2019s toy<\/li>\r\n \t
              4. The fitting together of two jigsaw puzzle pieces.<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                \r\n

                [reveal-answer q=\"77359\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"77359\"]1[\/hidden-answer]<\/p>\r\n4.\u00a0With regard to enzymes, why are vitamins necessary for good health? Give examples.\r\n\r\n5.\u00a0Explain in your own words how enzyme feedback inhibition benefits a cell.\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div><\/li>\r\n<\/ol>\r\n<\/section>\r\n

                Part II<\/h3>\r\n
                  \r\n \t
                1. \r\n
                  \r\n

                  The monomers that make up proteins are called ________.<\/p>\r\n\r\n

                    \r\n \t
                  1. nucleotides<\/li>\r\n \t
                  2. disaccharides<\/li>\r\n \t
                  3. amino acids<\/li>\r\n \t
                  4. chaperones<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                    \r\n

                    [reveal-answer q=\"148664\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"148664\"]3[\/hidden-answer]<\/p>\r\n2.\u00a0The <\/span>\u03b1<\/em> helix and the <\/span>\u03b2<\/em>-pleated sheet are part of which protein structure?<\/span>\r\n

                    \r\n
                      \r\n \t
                    1. primary<\/li>\r\n \t
                    2. secondary<\/li>\r\n \t
                    3. tertiary<\/li>\r\n \t
                    4. quaternary<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                      \r\n

                      [reveal-answer q=\"708018\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"708018\"]2[\/hidden-answer]<\/p>\r\n3.\u00a0Explain what happens if even one amino acid is substituted for another in a polypeptide chain. Provide a specific example.\r\n\r\n4.\u00a0Describe the differences in the four protein structures.\r\n\r\n<\/div>\r\n<\/div><\/li>\r\n<\/ol>\r\n<\/section>\r\n

                      Part IV<\/h3>\r\n
                        \r\n \t
                      1. \r\n
                        \r\n

                        Saturated fats have all of the following characteristics except:<\/p>\r\n\r\n

                          \r\n \t
                        1. they are solid at room temperature<\/li>\r\n \t
                        2. they have single bonds within the carbon chain<\/li>\r\n \t
                        3. they are usually obtained from animal sources<\/li>\r\n \t
                        4. they tend to dissolve in water easily<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                          \r\n

                          [reveal-answer q=\"404319\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"404319\"]4[\/hidden-answer]<\/p>\r\n2.\u00a0Phospholipids are important components of ________.<\/span>\r\n

                          \r\n
                            \r\n \t
                          1. the plasma membrane of animal cells<\/li>\r\n \t
                          2. the ring structure of steroids<\/li>\r\n \t
                          3. the waxy covering on leaves<\/li>\r\n \t
                          4. the double bond in hydrocarbon chains<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                            \r\n\r\n[reveal-answer q=\"34933\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"34933\"]1[\/hidden-answer]\r\n\r\n3.\u00a0Explain at least three functions that lipids serve in plants and\/or animals.\r\n\r\n4.\u00a0Why have trans fats been banned from some restaurants? How are they created?\r\n\r\n<\/div>\r\n<\/div><\/li>\r\n<\/ol>\r\n<\/section>\r\n

                            Part V<\/h3>\r\n
                              \r\n \t
                            1. An example of a monosaccharide is ________.<\/span><\/li>\r\n<\/ol>\r\n
                              \r\n
                                \r\n \t
                              1. fructose<\/li>\r\n \t
                              2. glucose<\/li>\r\n \t
                              3. galactose<\/li>\r\n \t
                              4. all of the above<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                                \r\n\r\n[reveal-answer q=\"332918\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"332918\"]4[\/hidden-answer]\r\n\r\n2.\u00a0Cellulose and starch are examples of:<\/span>\r\n
                                \r\n
                                  \r\n \t
                                1. monosaccharides<\/li>\r\n \t
                                2. disaccharides<\/li>\r\n \t
                                3. lipids<\/li>\r\n \t
                                4. polysaccharides<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                                  \r\n

                                  [reveal-answer q=\"621735\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"621735\"]4[\/hidden-answer]<\/p>\r\n3.\u00a0\u00a0Plant cell walls contain which of the following in abundance?<\/span>\r\n

                                  \r\n
                                    \r\n \t
                                  1. starch<\/li>\r\n \t
                                  2. cellulose<\/li>\r\n \t
                                  3. glycogen<\/li>\r\n \t
                                  4. lactose<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                                    \r\n

                                    [reveal-answer q=\"18420\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"18420\"]2[\/hidden-answer]<\/p>\r\n4.\u00a0\u00a0Lactose is a disaccharide formed by the formation of a ________ bond between glucose and ________.<\/span>\r\n

                                    \r\n
                                      \r\n \t
                                    1. glycosidic; lactose<\/li>\r\n \t
                                    2. glycosidic; galactose<\/li>\r\n \t
                                    3. hydrogen; sucrose<\/li>\r\n \t
                                    4. hydrogen; fructose<\/li>\r\n<\/ol>\r\n<\/div>\r\n
                                      \r\n

                                      [reveal-answer q=\"752091\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"752091\"]2[\/hidden-answer]<\/p>\r\n5.\u00a0Describe the similarities and differences between glycogen and starch.\r\n\r\n6.\u00a0Why is it impossible for humans to digest food that contains cellulose?\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>","rendered":"

                                      \n
                                      \n
                                      \n
                                      \n
                                      \n

                                      Part I<\/h3>\n
                                        \n
                                      1. \n
                                        \n

                                        A nucleotide of DNA may contain ________.<\/p>\n

                                          \n
                                        1. ribose, uracil, and a phosphate group<\/li>\n
                                        2. deoxyribose, uracil, and a phosphate group<\/li>\n
                                        3. deoxyribose, thymine, and a phosphate group<\/li>\n
                                        4. ribose, thymine, and a phosphate group<\/li>\n<\/ol>\n<\/div>\n
                                          \n

                                          \n

                                          Show Answer<\/span><\/p>\n
                                          3<\/div>\n<\/div>\n

                                          2.\u00a0The building blocks of nucleic acids are ________.<\/span><\/p>\n

                                          \n
                                            \n
                                          1. sugars<\/li>\n
                                          2. nitrogenous bases<\/li>\n
                                          3. peptides<\/li>\n
                                          4. nucleotides<\/li>\n<\/ol>\n<\/div>\n
                                            \n

                                            \n

                                            Show Answer<\/span><\/p>\n
                                            4<\/div>\n<\/div>\n

                                            3.\u00a0What are the structural differences between RNA and DNA?<\/p>\n

                                            4.\u00a0What are the four types of RNA and how do they function?<\/p>\n<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<\/section>\n

                                            Part II<\/h3>\n
                                              \n
                                            1. \n
                                              \n

                                              Which of the following is not true about enzymes:<\/p>\n

                                                \n
                                              1. They increase \u2206G of reactions<\/li>\n
                                              2. They are usually made of amino acids<\/li>\n
                                              3. They lower the activation energy of chemical reactions<\/li>\n
                                              4. Each one is specific to the particular substrate(s) to which it binds<\/li>\n<\/ol>\n<\/div>\n
                                                \n
                                                Show Answer<\/span><\/p>\n
                                                1<\/div>\n<\/div>\n

                                                2.\u00a0An allosteric inhibitor does which of the following?<\/span><\/p>\n

                                                \n
                                                  \n
                                                1. Binds to an enzyme away from the active site and changes the conformation of the active site, increasing its affinity for substrate binding<\/li>\n
                                                2. Binds to the active site and blocks it from binding substrate<\/li>\n
                                                3. Binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate<\/li>\n
                                                4. Binds directly to the active site and mimics the substrate<\/li>\n<\/ol>\n<\/div>\n
                                                  \n

                                                  \n

                                                  Show Answer<\/span><\/p>\n
                                                  3<\/div>\n<\/div>\n

                                                  3.\u00a0Which of the following analogies best describe the induced-fit model of enzyme-substrate binding?<\/span><\/p>\n

                                                  \n
                                                    \n
                                                  1. A hug between two people<\/li>\n
                                                  2. A key fitting into a lock<\/li>\n
                                                  3. A square peg fitting through the square hole and a round peg fitting through the round hole of a children\u2019s toy<\/li>\n
                                                  4. The fitting together of two jigsaw puzzle pieces.<\/li>\n<\/ol>\n<\/div>\n
                                                    \n

                                                    \n

                                                    Show Answer<\/span><\/p>\n
                                                    1<\/div>\n<\/div>\n

                                                    4.\u00a0With regard to enzymes, why are vitamins necessary for good health? Give examples.<\/p>\n

                                                    5.\u00a0Explain in your own words how enzyme feedback inhibition benefits a cell.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<\/section>\n

                                                    Part II<\/h3>\n
                                                      \n
                                                    1. \n
                                                      \n

                                                      The monomers that make up proteins are called ________.<\/p>\n

                                                        \n
                                                      1. nucleotides<\/li>\n
                                                      2. disaccharides<\/li>\n
                                                      3. amino acids<\/li>\n
                                                      4. chaperones<\/li>\n<\/ol>\n<\/div>\n
                                                        \n

                                                        \n

                                                        Show Answer<\/span><\/p>\n
                                                        3<\/div>\n<\/div>\n

                                                        2.\u00a0The <\/span>\u03b1<\/em> helix and the <\/span>\u03b2<\/em>-pleated sheet are part of which protein structure?<\/span><\/p>\n

                                                        \n
                                                          \n
                                                        1. primary<\/li>\n
                                                        2. secondary<\/li>\n
                                                        3. tertiary<\/li>\n
                                                        4. quaternary<\/li>\n<\/ol>\n<\/div>\n
                                                          \n

                                                          \n

                                                          Show Answer<\/span><\/p>\n
                                                          2<\/div>\n<\/div>\n

                                                          3.\u00a0Explain what happens if even one amino acid is substituted for another in a polypeptide chain. Provide a specific example.<\/p>\n

                                                          4.\u00a0Describe the differences in the four protein structures.<\/p>\n<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<\/section>\n

                                                          Part IV<\/h3>\n
                                                            \n
                                                          1. \n
                                                            \n

                                                            Saturated fats have all of the following characteristics except:<\/p>\n

                                                              \n
                                                            1. they are solid at room temperature<\/li>\n
                                                            2. they have single bonds within the carbon chain<\/li>\n
                                                            3. they are usually obtained from animal sources<\/li>\n
                                                            4. they tend to dissolve in water easily<\/li>\n<\/ol>\n<\/div>\n
                                                              \n

                                                              \n

                                                              Show Answer<\/span><\/p>\n
                                                              4<\/div>\n<\/div>\n

                                                              2.\u00a0Phospholipids are important components of ________.<\/span><\/p>\n

                                                              \n
                                                                \n
                                                              1. the plasma membrane of animal cells<\/li>\n
                                                              2. the ring structure of steroids<\/li>\n
                                                              3. the waxy covering on leaves<\/li>\n
                                                              4. the double bond in hydrocarbon chains<\/li>\n<\/ol>\n<\/div>\n
                                                                \n
                                                                Show Answer<\/span><\/p>\n
                                                                1<\/div>\n<\/div>\n

                                                                3.\u00a0Explain at least three functions that lipids serve in plants and\/or animals.<\/p>\n

                                                                4.\u00a0Why have trans fats been banned from some restaurants? How are they created?<\/p>\n<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<\/section>\n

                                                                Part V<\/h3>\n
                                                                  \n
                                                                1. An example of a monosaccharide is ________.<\/span><\/li>\n<\/ol>\n
                                                                  \n
                                                                    \n
                                                                  1. fructose<\/li>\n
                                                                  2. glucose<\/li>\n
                                                                  3. galactose<\/li>\n
                                                                  4. all of the above<\/li>\n<\/ol>\n<\/div>\n
                                                                    \n
                                                                    Show Answer<\/span><\/p>\n
                                                                    4<\/div>\n<\/div>\n

                                                                    2.\u00a0Cellulose and starch are examples of:<\/span><\/p>\n

                                                                    \n
                                                                      \n
                                                                    1. monosaccharides<\/li>\n
                                                                    2. disaccharides<\/li>\n
                                                                    3. lipids<\/li>\n
                                                                    4. polysaccharides<\/li>\n<\/ol>\n<\/div>\n
                                                                      \n

                                                                      \n

                                                                      Show Answer<\/span><\/p>\n
                                                                      4<\/div>\n<\/div>\n

                                                                      3.\u00a0\u00a0Plant cell walls contain which of the following in abundance?<\/span><\/p>\n

                                                                      \n
                                                                        \n
                                                                      1. starch<\/li>\n
                                                                      2. cellulose<\/li>\n
                                                                      3. glycogen<\/li>\n
                                                                      4. lactose<\/li>\n<\/ol>\n<\/div>\n
                                                                        \n

                                                                        \n

                                                                        Show Answer<\/span><\/p>\n
                                                                        2<\/div>\n<\/div>\n

                                                                        4.\u00a0\u00a0Lactose is a disaccharide formed by the formation of a ________ bond between glucose and ________.<\/span><\/p>\n

                                                                        \n
                                                                          \n
                                                                        1. glycosidic; lactose<\/li>\n
                                                                        2. glycosidic; galactose<\/li>\n
                                                                        3. hydrogen; sucrose<\/li>\n
                                                                        4. hydrogen; fructose<\/li>\n<\/ol>\n<\/div>\n
                                                                          \n

                                                                          \n

                                                                          Show Answer<\/span><\/p>\n
                                                                          2<\/div>\n<\/div>\n

                                                                          5.\u00a0Describe the similarities and differences between glycogen and starch.<\/p>\n

                                                                          6.\u00a0Why is it impossible for humans to digest food that contains cellulose?<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"author":57729,"menu_order":6,"template":"","meta":{"_candela_citation":"[]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1294","chapter","type-chapter","status-publish","hentry"],"part":344,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/users\/57729"}],"version-history":[{"count":7,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1294\/revisions"}],"predecessor-version":[{"id":1427,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1294\/revisions\/1427"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/parts\/344"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1294\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/media?parent=1294"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapter-type?post=1294"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/contributor?post=1294"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/license?post=1294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}