{"id":1300,"date":"2021-02-19T14:53:53","date_gmt":"2021-02-19T14:53:53","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/?post_type=chapter&p=1300"},"modified":"2021-02-26T21:18:43","modified_gmt":"2021-02-26T21:18:43","slug":"check-your-knowledge-self-test-4","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/chapter\/check-your-knowledge-self-test-4\/","title":{"raw":"Check Your Knowledge: Self-Test","rendered":"Check Your Knowledge: Self-Test"},"content":{"raw":"
\r\n
\r\n
1.\u00a0<\/span>Why is it advantageous for the cell membrane to be fluid in nature?<\/span><\/div>\r\n
<\/div>\r\n<\/section><\/div>\r\n<\/section>\r\n
<\/div>\r\n
\r\n
\r\n
2.\u00a0<\/span>Why do phospholipids tend to spontaneously orient themselves into something resembling a membrane?<\/span><\/div>\r\n
<\/div>\r\n<\/section>\r\n
<\/div>\r\n
3<\/span>.\u00a0\u00a0<\/span>Discuss why the following affect the rate of diffusion: molecular size, temperature, solution concentration, and the distance that must be traveled.<\/span><\/div>\r\n
<\/div>\r\n
<\/div>\r\n
4.\u00a0<\/span>Why does water move through a membrane?<\/span><\/div>\r\n
<\/div>\r\n<\/div>\r\n<\/section>
\r\n
<\/header>
\r\n
<\/div>\r\n
5.\u00a0<\/span>Both of the regular intravenous solutions administered in medicine, normal saline and lactated Ringer\u2019s solution, are isotonic. Why is this important?<\/span><\/div>\r\n
<\/div>\r\n<\/section><\/div>\r\n
<\/header>
\r\n
<\/div>\r\n
6.\u00a0<\/span>Describe two ways that decreasing temperature would affect the rate of diffusion of molecules across a cell\u2019s plasma membrane.<\/span><\/div>\r\n
<\/div>\r\n<\/section><\/div>\r\n
<\/header>
\r\n
<\/div>\r\n
7. <\/span>Where does the cell get energy for active transport processes?<\/span><\/div>\r\n
<\/div>\r\n<\/section><\/div>\r\n<\/section>
\r\n
\r\n
\r\n
\r\n

8<\/span>.\u00a0<\/span>Why is it important that there are different types of proteins in plasma membranes for the transport of materials into and out of a cell?<\/span><\/p>\r\n9. Why do ions have a difficult time getting through plasma membranes despite their small size?<\/span>\r\n

\r\n
\r\n\r\n10.\u00a0<\/span>What happens to the membrane of a vesicle after exocytosis?<\/span>\r\n
\r\n
    \r\n \t
  1. It leaves the cell.<\/li>\r\n \t
  2. It is disassembled by the cell.<\/li>\r\n \t
  3. It fuses with and becomes part of the plasma membrane.<\/li>\r\n \t
  4. It is used again in another exocytosis event.<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
    <\/header>
    \r\n
    \r\n\r\n11.\u00a0<\/span>Which transport mechanism can bring whole cells into a cell?<\/span>\r\n
    \r\n
      \r\n \t
    1. pinocytosis<\/li>\r\n \t
    2. phagocytosis<\/li>\r\n \t
    3. facilitated transport<\/li>\r\n \t
    4. primary active transport<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
      <\/header>
      \r\n
      \r\n\r\n12<\/span>.\u00a0<\/span>In what important way does receptor-mediated endocytosis differ from phagocytosis?<\/span>\r\n
      \r\n
        \r\n \t
      1. It transports only small amounts of fluid.<\/li>\r\n \t
      2. It does not involve the pinching off of membrane.<\/li>\r\n \t
      3. It brings in only a specifically targeted substance.<\/li>\r\n \t
      4. It brings substances into the cell, while phagocytosis removes substances.<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
        <\/header>
        \r\n
        \r\n\r\n13<\/span>.\u00a0<\/span>Many viruses enter host cells through receptor-mediated endocytosis. What is an advantage of this entry strategy?<\/span>\r\n
        \r\n
          \r\n \t
        1. The virus directly enters the cytoplasm of the cell.<\/li>\r\n \t
        2. The virus is protected from recognition by white blood cells.<\/li>\r\n \t
        3. The virus only enters its target host cell type.<\/li>\r\n \t
        4. The virus can directly inject its genome into the cell\u2019s nucleus.<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
          <\/header>
          \r\n
          \r\n\r\n14<\/span>.\u00a0<\/span>Which of the following organelles relies on exocytosis to complete its function?<\/span>\r\n
          \r\n
            \r\n \t
          1. Golgi apparatus<\/li>\r\n \t
          2. vacuole<\/li>\r\n \t
          3. mitochondria<\/li>\r\n \t
          4. endoplasmic reticulum<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
            <\/header>
            \r\n
            \r\n\r\n15<\/span>.\u00a0<\/span>Imagine a cell can perform exocytosis, but only minimal endocytosis. What would happen to the cell?<\/span>\r\n
            \r\n
              \r\n \t
            1. The cell would secrete all its intracellular proteins.<\/li>\r\n \t
            2. The plasma membrane would increase in size over time.<\/li>\r\n \t
            3. The cell would stop expressing integral receptor proteins in its plasma membrane.<\/li>\r\n \t
            4. The cell would lyse.<\/li>\r\n<\/ol>\r\n16.\u00a0\u00a0Which plasma membrane component can be either found on its surface or embedded in the membrane structure?<\/span>\r\n\r\n
              \r\n
              \r\n
              \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<\/div>\r\n<\/section><\/div>\r\n
                <\/header>
                \r\n
                \r\n\r\n17<\/span>.\u00a0\u00a0<\/span>Which characteristic of a phospholipid contributes to the fluidity of the membrane?<\/span>\r\n
                \r\n
                  \r\n \t
                1. its head<\/li>\r\n \t
                2. cholesterol<\/li>\r\n \t
                3. a saturated fatty acid tail<\/li>\r\n \t
                4. double bonds in the fatty acid tail<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
                  <\/div>\r\n
                  <\/div>\r\n<\/section>
                  \r\n
                  <\/header>
                  \r\n
                  \r\n\r\n18<\/span>.\u00a0<\/span>Water moves via osmosis _________.<\/span>\r\n
                  \r\n
                    \r\n \t
                  1. throughout the cytoplasm<\/li>\r\n \t
                  2. from an area with a high concentration of other solutes to a lower one<\/li>\r\n \t
                  3. from an area with a high concentration of water to one of lower concentration<\/li>\r\n \t
                  4. from an area with a low concentration of water to higher concentration<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n
                    <\/header>
                    \r\n
                    \r\n\r\n19<\/span>.\u00a0<\/span>The 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<\/div>\r\n<\/section><\/div>\r\n
                      <\/div>\r\n
                      \r\n
                      \r\n
                      <\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n<\/section>
                      \r\n
                      <\/header>
                      \r\n
                      \r\n\r\n20<\/span>.\u00a0<\/span>Active transport must function continuously because __________.<\/span>\r\n
                      \r\n
                        \r\n \t
                      1. plasma membranes wear out<\/li>\r\n \t
                      2. not all membranes are amphiphilic<\/li>\r\n \t
                      3. facilitated transport opposes active transport<\/li>\r\n \t
                      4. diffusion is constantly moving solutes in opposite directions<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n<\/section><\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section><\/div>\r\n<\/section>","rendered":"
                        \n
                        \n
                        \n
                        1.\u00a0<\/span>Why is it advantageous for the cell membrane to be fluid in nature?<\/span><\/div>\n
                        <\/div>\n<\/section>\n<\/div>\n<\/section>\n
                        <\/div>\n
                        \n
                        \n
                        \n
                        2.\u00a0<\/span>Why do phospholipids tend to spontaneously orient themselves into something resembling a membrane?<\/span><\/div>\n
                        <\/div>\n<\/section>\n
                        <\/div>\n
                        3<\/span>.\u00a0\u00a0<\/span>Discuss why the following affect the rate of diffusion: molecular size, temperature, solution concentration, and the distance that must be traveled.<\/span><\/div>\n
                        <\/div>\n
                        <\/div>\n
                        4.\u00a0<\/span>Why does water move through a membrane?<\/span><\/div>\n
                        <\/div>\n<\/div>\n<\/section>\n
                        \n
                        \n
                        <\/header>\n
                        \n
                        <\/div>\n
                        5.\u00a0<\/span>Both of the regular intravenous solutions administered in medicine, normal saline and lactated Ringer\u2019s solution, are isotonic. Why is this important?<\/span><\/div>\n
                        <\/div>\n<\/section>\n<\/div>\n
                        \n
                        <\/header>\n
                        \n
                        <\/div>\n
                        6.\u00a0<\/span>Describe two ways that decreasing temperature would affect the rate of diffusion of molecules across a cell\u2019s plasma membrane.<\/span><\/div>\n
                        <\/div>\n<\/section>\n<\/div>\n
                        \n
                        <\/header>\n
                        \n
                        <\/div>\n
                        7. <\/span>Where does the cell get energy for active transport processes?<\/span><\/div>\n
                        <\/div>\n<\/section>\n<\/div>\n<\/section>\n
                        \n
                        \n
                        \n
                        \n
                        \n

                        8<\/span>.\u00a0<\/span>Why is it important that there are different types of proteins in plasma membranes for the transport of materials into and out of a cell?<\/span><\/p>\n

                        9. Why do ions have a difficult time getting through plasma membranes despite their small size?<\/span><\/p>\n

                        \n
                        \n
                        \n

                        10.\u00a0<\/span>What happens to the membrane of a vesicle after exocytosis?<\/span><\/p>\n

                        \n
                          \n
                        1. It leaves the cell.<\/li>\n
                        2. It is disassembled by the cell.<\/li>\n
                        3. It fuses with and becomes part of the plasma membrane.<\/li>\n
                        4. It is used again in another exocytosis event.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                          \n
                          <\/header>\n
                          \n
                          \n

                          11.\u00a0<\/span>Which transport mechanism can bring whole cells into a cell?<\/span><\/p>\n

                          \n
                            \n
                          1. pinocytosis<\/li>\n
                          2. phagocytosis<\/li>\n
                          3. facilitated transport<\/li>\n
                          4. primary active transport<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                            \n
                            <\/header>\n
                            \n
                            \n

                            12<\/span>.\u00a0<\/span>In what important way does receptor-mediated endocytosis differ from phagocytosis?<\/span><\/p>\n

                            \n
                              \n
                            1. It transports only small amounts of fluid.<\/li>\n
                            2. It does not involve the pinching off of membrane.<\/li>\n
                            3. It brings in only a specifically targeted substance.<\/li>\n
                            4. It brings substances into the cell, while phagocytosis removes substances.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                              \n
                              <\/header>\n
                              \n
                              \n

                              13<\/span>.\u00a0<\/span>Many viruses enter host cells through receptor-mediated endocytosis. What is an advantage of this entry strategy?<\/span><\/p>\n

                              \n
                                \n
                              1. The virus directly enters the cytoplasm of the cell.<\/li>\n
                              2. The virus is protected from recognition by white blood cells.<\/li>\n
                              3. The virus only enters its target host cell type.<\/li>\n
                              4. The virus can directly inject its genome into the cell\u2019s nucleus.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                                \n
                                <\/header>\n
                                \n
                                \n

                                14<\/span>.\u00a0<\/span>Which of the following organelles relies on exocytosis to complete its function?<\/span><\/p>\n

                                \n
                                  \n
                                1. Golgi apparatus<\/li>\n
                                2. vacuole<\/li>\n
                                3. mitochondria<\/li>\n
                                4. endoplasmic reticulum<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                                  \n
                                  <\/header>\n
                                  \n
                                  \n

                                  15<\/span>.\u00a0<\/span>Imagine a cell can perform exocytosis, but only minimal endocytosis. What would happen to the cell?<\/span><\/p>\n

                                  \n
                                    \n
                                  1. The cell would secrete all its intracellular proteins.<\/li>\n
                                  2. The plasma membrane would increase in size over time.<\/li>\n
                                  3. The cell would stop expressing integral receptor proteins in its plasma membrane.<\/li>\n
                                  4. The cell would lyse.<\/li>\n<\/ol>\n

                                    16.\u00a0\u00a0Which plasma membrane component can be either found on its surface or embedded in the membrane structure?<\/span><\/p>\n

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

                                      17<\/span>.\u00a0\u00a0<\/span>Which characteristic of a phospholipid contributes to the fluidity of the membrane?<\/span><\/p>\n

                                      \n
                                        \n
                                      1. its head<\/li>\n
                                      2. cholesterol<\/li>\n
                                      3. a saturated fatty acid tail<\/li>\n
                                      4. double bonds in the fatty acid tail<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                                        <\/div>\n
                                        <\/div>\n<\/section>\n
                                        \n
                                        \n
                                        <\/header>\n
                                        \n
                                        \n

                                        18<\/span>.\u00a0<\/span>Water moves via osmosis _________.<\/span><\/p>\n

                                        \n
                                          \n
                                        1. throughout the cytoplasm<\/li>\n
                                        2. from an area with a high concentration of other solutes to a lower one<\/li>\n
                                        3. from an area with a high concentration of water to one of lower concentration<\/li>\n
                                        4. from an area with a low concentration of water to higher concentration<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n
                                          \n
                                          <\/header>\n
                                          \n
                                          \n

                                          19<\/span>.\u00a0<\/span>The 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<\/div>\n<\/section>\n<\/div>\n
                                            <\/div>\n
                                            \n
                                            \n
                                            \n
                                            <\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/section>\n
                                            \n
                                            \n
                                            <\/header>\n
                                            \n
                                            \n

                                            20<\/span>.\u00a0<\/span>Active transport must function continuously because __________.<\/span><\/p>\n

                                            \n
                                              \n
                                            1. plasma membranes wear out<\/li>\n
                                            2. not all membranes are amphiphilic<\/li>\n
                                            3. facilitated transport opposes active transport<\/li>\n
                                            4. diffusion is constantly moving solutes in opposite directions<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/section>\n","protected":false},"author":57729,"menu_order":7,"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-1300","chapter","type-chapter","status-publish","hentry"],"part":385,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1300","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\/1300\/revisions"}],"predecessor-version":[{"id":1436,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapters\/1300\/revisions\/1436"}],"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\/1300\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/media?parent=1300"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/pressbooks\/v2\/chapter-type?post=1300"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/contributor?post=1300"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/suny-dutchess-introbio2\/wp-json\/wp\/v2\/license?post=1300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}