{"id":1298,"date":"2021-02-19T14:53:19","date_gmt":"2021-02-19T14:53:19","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/?post_type=chapter&p=1298"},"modified":"2021-02-26T21:16:03","modified_gmt":"2021-02-26T21:16:03","slug":"exercises-7","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/chapter\/exercises-7\/","title":{"raw":"Exercises","rendered":"Exercises"},"content":{"raw":"
\r\n
\r\n\r\n1.Which of the following are found only in plant cells?<\/span>\r\n
    \r\n \t
  1. gap junctions<\/li>\r\n \t
  2. desmosomes<\/li>\r\n \t
  3. plasmodesmata<\/li>\r\n \t
  4. tight junctions<\/li>\r\n<\/ol>\r\n<\/div>\r\n
    \r\n

    [reveal-answer q=\"748612\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"748612\"]3[\/hidden-answer]<\/p>\r\n2.\u00a0The principal force driving movement in diffusion is the __________.<\/span>\r\n

    \r\n
      \r\n \t
    1. temperature<\/li>\r\n \t
    2. particle size<\/li>\r\n \t
    3. concentration gradient<\/li>\r\n \t
    4. membrane surface area<\/li>\r\n<\/ol>\r\n<\/div>\r\n
      \r\n

      [reveal-answer q=\"852693\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"852693\"]3[\/hidden-answer]<\/p>\r\n3.\u00a0What problem is faced by organisms that live in fresh water?<\/span>\r\n

      \r\n
        \r\n \t
      1. Their bodies tend to take in too much water.<\/li>\r\n \t
      2. They have no way of controlling their tonicity.<\/li>\r\n \t
      3. Only salt water poses problems for animals that live in it.<\/li>\r\n \t
      4. Their bodies tend to lose too much water to their environment.<\/li>\r\n<\/ol>\r\n<\/div>\r\n
        \r\n

        [reveal-answer q=\"283855\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"283855\"]1[\/hidden-answer]<\/p>\r\n4.\u00a0The key components of desmosomes are cadherins and __________.<\/span>\r\n

        \r\n
          \r\n \t
        1. actin<\/li>\r\n \t
        2. microfilaments<\/li>\r\n \t
        3. intermediate filaments<\/li>\r\n \t
        4. microtubules<\/li>\r\n<\/ol>\r\n<\/div>\r\n
          \r\n\r\n[reveal-answer q=\"182145\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"182145\"]3[\/hidden-answer]\r\n\r\n5.\u00a0How does the structure of a plasmodesma differ from that of a gap junction?\r\n\r\n6.\u00a0Explain how the extracellular matrix functions.\r\n\r\n7.\u00a0Discuss why the following affect the rate of diffusion: molecular size, temperature, solution density, and the distance that must be traveled.\r\n\r\n8.\u00a0Why does water move through a membrane?\r\n\r\n9.\u00a0Which plasma membrane component can be either found on its surface or embedded in the membrane structure?<\/span>\r\n
          \r\n
            \r\n \t
          1. protein<\/li>\r\n \t
          2. cholesterol<\/li>\r\n \t
          3. carbohydrate<\/li>\r\n \t
          4. phospholipid<\/li>\r\n<\/ol>\r\n<\/div>\r\n
            \r\n

            [reveal-answer q=\"873671\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"873671\"]1[\/hidden-answer]<\/p>\r\n10.\u00a0What is the primary function of carbohydrates attached to the exterior of cell membranes?<\/span>\r\n

            \r\n
              \r\n \t
            1. identification of the cell<\/li>\r\n \t
            2. flexibility of the membrane<\/li>\r\n \t
            3. strengthening the membrane<\/li>\r\n \t
            4. channels through membrane<\/li>\r\n<\/ol>\r\n<\/div>\r\n
              \r\n

              [reveal-answer q=\"144932\"]Show Answer[\/reveal-answer]\r\n[hidden-answer a=\"144932\"]1[\/hidden-answer]<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/section><\/section>","rendered":"

              \n
              \n
              \n
              \n

              1.Which of the following are found only in plant cells?<\/span><\/p>\n

                \n
              1. gap junctions<\/li>\n
              2. desmosomes<\/li>\n
              3. plasmodesmata<\/li>\n
              4. tight junctions<\/li>\n<\/ol>\n<\/div>\n
                \n

                \n

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

                2.\u00a0The principal force driving movement in diffusion is the __________.<\/span><\/p>\n

                \n
                  \n
                1. temperature<\/li>\n
                2. particle size<\/li>\n
                3. concentration gradient<\/li>\n
                4. membrane surface area<\/li>\n<\/ol>\n<\/div>\n
                  \n

                  \n

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

                  3.\u00a0What problem is faced by organisms that live in fresh water?<\/span><\/p>\n

                  \n
                    \n
                  1. Their bodies tend to take in too much water.<\/li>\n
                  2. They have no way of controlling their tonicity.<\/li>\n
                  3. Only salt water poses problems for animals that live in it.<\/li>\n
                  4. Their bodies tend to lose too much water to their environment.<\/li>\n<\/ol>\n<\/div>\n
                    \n

                    \n

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

                    4.\u00a0The key components of desmosomes are cadherins and __________.<\/span><\/p>\n

                    \n
                      \n
                    1. actin<\/li>\n
                    2. microfilaments<\/li>\n
                    3. intermediate filaments<\/li>\n
                    4. microtubules<\/li>\n<\/ol>\n<\/div>\n
                      \n
                      Show Answer<\/span><\/p>\n
                      3<\/div>\n<\/div>\n

                      5.\u00a0How does the structure of a plasmodesma differ from that of a gap junction?<\/p>\n

                      6.\u00a0Explain how the extracellular matrix functions.<\/p>\n

                      7.\u00a0Discuss why the following affect the rate of diffusion: molecular size, temperature, solution density, and the distance that must be traveled.<\/p>\n

                      8.\u00a0Why does water move through a membrane?<\/p>\n

                      9.\u00a0Which plasma membrane component can be either found on its surface or embedded in the membrane structure?<\/span><\/p>\n

                      \n
                        \n
                      1. protein<\/li>\n
                      2. cholesterol<\/li>\n
                      3. carbohydrate<\/li>\n
                      4. phospholipid<\/li>\n<\/ol>\n<\/div>\n
                        \n

                        \n

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

                        10.\u00a0What is the primary function of carbohydrates attached to the exterior of cell membranes?<\/span><\/p>\n

                        \n
                          \n
                        1. identification of the cell<\/li>\n
                        2. flexibility of the membrane<\/li>\n
                        3. strengthening the membrane<\/li>\n
                        4. channels through membrane<\/li>\n<\/ol>\n<\/div>\n
                          \n

                          \n

                          Show Answer<\/span><\/p>\n
                          1<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/section>\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-1298","chapter","type-chapter","status-publish","hentry"],"part":385,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1298","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":6,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1298\/revisions"}],"predecessor-version":[{"id":1435,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1298\/revisions\/1435"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/parts\/385"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1298\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/media?parent=1298"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapter-type?post=1298"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/contributor?post=1298"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/license?post=1298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}