{"id":1877,"date":"2020-10-29T10:49:55","date_gmt":"2020-10-29T10:49:55","guid":{"rendered":"http:\/\/onlineclassesguru.com\/?p=1877"},"modified":"2020-10-29T10:49:55","modified_gmt":"2020-10-29T10:49:55","slug":"cell-structure-and-function","status":"publish","type":"post","link":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/cell-structure-and-function\/","title":{"rendered":"Cell structure and function"},"content":{"rendered":"<style type=\"text\/css\"><\/style><p>This contains 100% correct material for UMUC Biology 103 LAB03. However, this is an Answer Key, which means, you should put it in your own words. Here is a sample for the Pre lab questions answered:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Pre-Lab Questions<\/p>\n<p>1. Identify the major similarities and differences between prokaryotic and eukaryotic cells. (2 pts)<\/p>\n<p><strong>Prokaryotes<\/strong>\u00a0tend to be\u00a0<strong>less complex<\/strong>\u00a0than eukaryotic cells, with\u00a0<strong>fewer organelles<\/strong>\u00a0and (generally) fewer requirements for survival.\u00a0<strong>Eukaryotes<\/strong>\u00a0have a\u00a0<strong>nucleus<\/strong>, while prokaryotes do not. Both eukaryotes and prokaryotes have DNA, a cell membrane, and cytoplasm.<\/p>\n<p>&nbsp;<\/p>\n<p>2. Where is the DNA housed in a prokaryotic cell? Where is it housed in a eukaryotic cell? (2 pts)<\/p>\n<p>DNA is housed in the\u00a0<strong>nucleus<\/strong>\u00a0in eukaryotic cells. Prokaryotic cells do not have a nucleus, and thus DNA exists freely in the\u00a0<strong>cytoplasm<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>3. Identify three structures which provide support and protection in a eukaryotic cell. (2 pts)<\/p>\n<p>The cell membrane, the cytoplasm, and the cytoskeleton (microtubules, microfilaments, etc.).<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>The rest of the questions are answered as well:<\/strong><\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"10\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.homeworkmarket.com\/content\/umuc-biology-102-103-lab-3-cell-structure-and-function-answer-key\" alt=\"Onion Root Tip 100X g (Small)\" width=\"611\" height=\"303\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Experiment 1: Cell Structure and Function<\/strong><\/p>\n<p>Post-Lab Questions<\/p>\n<p>1.\u00a0\u00a0\u00a0\u00a0Label each of the arrows in the following slide image:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>2.\u00a0\u00a0\u00a0\u00a0What is the difference between the rough and smooth endoplasmic reticulum?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>3.\u00a0\u00a0\u00a0\u00a0Would an animal cell be able to survive without a mitochondria? Why or why not?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>4.\u00a0\u00a0\u00a0\u00a0What could you determine about a specimen if you observed a slide image showing the specimen with a cell wall, but no nucleus or mitochondria?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>5.\u00a0\u00a0\u00a0\u00a0Hypothesize why parts of a plant, such as the leaves, are green, but other parts, such as the roots, are not. Use scientific reasoning to support your hypothesis.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>Experiment 2: Osmosis &#8211; Direction and Concentration Gradients<\/strong><\/p>\n<p><strong>Data Tables and Post-Lab Assessment<\/strong><\/p>\n<p><strong>Table 3: Sucrose Concentration vs. Tubing Permeability<\/strong><\/p>\n<div>\n<table border=\"1\" width=\"691\">\n<tbody>\n<tr>\n<td width=\"110\"><strong>Band Color<\/strong><\/td>\n<td width=\"121\"><strong>Sucrose %<\/strong><\/td>\n<td width=\"137\"><strong>Initial Volume (mL)<\/strong><\/td>\n<td width=\"137\"><strong>Final Volume (mL)<\/strong><\/td>\n<td width=\"185\"><strong>Net Displacement (mL)<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"110\"><strong>Yellow<\/strong><\/td>\n<td width=\"121\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"185\"><strong>\u00a0<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"110\"><strong>Red<\/strong><\/td>\n<td width=\"121\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"185\"><strong>\u00a0<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"110\"><strong>Blue<\/strong><\/td>\n<td width=\"121\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"185\"><strong>\u00a0<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"110\"><strong>Green<\/strong><\/td>\n<td width=\"121\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"137\"><strong>\u00a0<\/strong><\/td>\n<td width=\"185\"><strong>\u00a0<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>Hypothesis:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Post-Lab Questions<\/p>\n<p>1.\u00a0\u00a0\u00a0\u00a0For each of the tubing pieces, identify whether the solution inside was hypotonic, hypertonic, or isotonic in comparison to the beaker solution in which it was placed.<\/p>\n<p>&nbsp;<\/p>\n<p>2.\u00a0\u00a0\u00a0\u00a0Which tubing increased the most in volume? Explain why this happened.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>3.\u00a0\u00a0\u00a0\u00a0What do the results of this experiment this tell you about the relative tonicity between the contents of the tubing and the solution in the beaker?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>4.\u00a0\u00a0\u00a0\u00a0What would happen if the tubing with the yellow band was placed in a beaker of distilled water?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>5.\u00a0\u00a0\u00a0\u00a0How are excess salts that accumulate in cells transferred to the blood stream so they can be removed from the body? Be sure to explain how this process works in terms of tonicity.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>6.\u00a0\u00a0\u00a0\u00a0If you wanted water to flow out of a tubing piece filled with a 50% solution, what would the minimum concentration of the beaker solution need to be? Explain your answer using scientific evidence.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>7.\u00a0\u00a0\u00a0\u00a0How is this experiment similar to the way a cell membrane works in the body? How is it different? Be specific with your response.<\/p>\n<p><center><a href=\"http:\/\/onlineclassesguru.com\/orders\/ordernow\"><img decoding=\"async\" src=\"https:\/\/encrypted-tbn0.gstatic.com\/images?q=tbn:ANd9GcTyj99p60XCLyLk1htB7-1neRt8-2QdnenNlQ&usqp=CAU\"target=\"_http:\/\/onlineclassesguru.com\/orders\/ordernow\"\/><\/center><p>","protected":false},"excerpt":{"rendered":"<p>This contains 100% correct material for UMUC Biology 103 LAB03. However, this is an Answer Key, which means, you should put it in your own words. Here is a sample for the Pre lab questions answered: &nbsp; &nbsp; Pre-Lab Questions 1. Identify the major similarities and differences between prokaryotic and eukaryotic cells. (2 pts) Prokaryotes\u00a0tend&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1877","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cell structure and function - onlineclassesguru<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/cell-structure-and-function\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cell structure and function - onlineclassesguru\" \/>\n<meta property=\"og:description\" content=\"This contains 100% correct material for UMUC Biology 103 LAB03. 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