{"id":708,"date":"2018-10-31T04:19:50","date_gmt":"2018-10-31T04:19:50","guid":{"rendered":"http:\/\/blogs.vsb.bc.ca\/csommerfel\/?p=708"},"modified":"2018-10-31T04:19:50","modified_gmt":"2018-10-31T04:19:50","slug":"biology-12-cells-questions-on-halloween-oct-31st","status":"publish","type":"post","link":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/2018\/10\/31\/biology-12-cells-questions-on-halloween-oct-31st\/","title":{"rendered":"Biology 12 Cells Questions on Halloween Oct 31st"},"content":{"rendered":"<p><strong>CELLS Q and A &#8211; Please answer the following questions in point form.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<ol>\n<li>If a tiny hole is made in a plasma membrane, it usually &#8220;heals&#8221; immediately, and no harm results. <strong>What property<\/strong> of the plasma membrane allows this?<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"2\">\n<li><strong>Lipids<\/strong>, <strong>small molecules<\/strong>, and <strong>uncharged particles<\/strong> pass into and out of the cell with <strong>relative ease<\/strong>. What <strong>characteristics<\/strong> of the cell membrane can be inferred from these observation?<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"3\">\n<li>Describe the <strong>Fluid Mosaic Model<\/strong> of membrane structure.<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"4\">\n<li>A <strong>continuous system of membranous channels<\/strong> is believed to connect the nucleus with the cell membrane. Describe the <strong>structure<\/strong> and <strong>function<\/strong> of the organelles prominent in this system.<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"5\">\n<li>Why is the <strong>nucleus<\/strong> centrally positioned in most eukaryotic cells?<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"6\">\n<li>Describe the <strong>structure<\/strong> and <strong>function<\/strong> of <strong>mitochondria<\/strong> and <strong>chloroplasts<\/strong>.<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"7\">\n<li>An inherited disorder in humans results in the absence of dynein (an important structural protein) in flagella and cilia. The disease causes respiratory problems and sterility in males.\u00a0 What is <strong>connection between these two symptoms<\/strong>?<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"8\">\n<li>What are the <strong>two main types of cells<\/strong> and how do they differ structurally? <em>Hint:\u00a0 the answer is NOT plant and animal cells!<\/em><\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"9\">\n<li>Most animals are <strong>heterotrophs<\/strong> that can move. Most plants are stationary <strong>autotrophs<\/strong>.\u00a0 Explain how the differences in the structure of plant and animal cells contribute to these characteristics.<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"10\">\n<li>What challenges face a cell that undergoes a <strong>great increase in size<\/strong>? How can the cell <strong>overcome<\/strong> these challenges?<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"11\">\n<li><strong>Vinblastine<\/strong> is a drug that interferes with the assembly of microtubules. It is widely used for chemotherapy in treating cancer patients. <strong>\u00a0Suggest a hypothesis<\/strong> to explain how vinblastine slows tumour growth by inhibiting cell division.<\/li>\n<\/ol>\n<p><em>\u00a0<\/em><\/p>\n<ol start=\"12\">\n<li>The <strong>Endosymbiotic Theory Of Eukaryotic Cell Origin<\/strong> states that <strong>mitochondria<\/strong> and <strong>chloroplasts<\/strong> were at one time independent organisms that were &#8220;enslaved&#8221;, so to speak, by an ancient precursor to modern eukaryotic cells. Give some structural evidence in these two organelles that would tend to support this hypothesis.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol start=\"13\">\n<li>Give 3 characteristics you would expect to find in a Protein-secreting cell.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>CELLS Q and A &#8211; Please answer the following questions in point form. &nbsp; If a tiny hole is made in a plasma membrane, it usually &#8220;heals&#8221; immediately, and no harm results. What property of the plasma membrane allows this? \u00a0 Lipids, small molecules, and uncharged particles pass into and out of the cell with &hellip; <a href=\"https:\/\/blogs.vsb.bc.ca\/csommerfel\/2018\/10\/31\/biology-12-cells-questions-on-halloween-oct-31st\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Biology 12 Cells Questions on Halloween Oct 31st<\/span><\/a><\/p>\n","protected":false},"author":223,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-708","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/posts\/708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/users\/223"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/comments?post=708"}],"version-history":[{"count":1,"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/posts\/708\/revisions"}],"predecessor-version":[{"id":709,"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/posts\/708\/revisions\/709"}],"wp:attachment":[{"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/media?parent=708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/categories?post=708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.vsb.bc.ca\/csommerfel\/wp-json\/wp\/v2\/tags?post=708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}