Topic 2 – Cell membranes Reading Chapter 5 Objectives Functions of cell membranes The fluid mosaic model The lipid bilayer – phospholipids‚ glycolipids and sterols Properties of the lipid bilayer Membrane proteins – the ‘mosaic’ in the model Solute movements across membranes BIO 1140 – SLIDE 1 http://www.nikonsmallworld.com/gallery/year/2006/id/751 Functions of cell membranes – an overview Fluid mosaic model Singer & Nicolson 1972 Fluid lipid molecules in which
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Thomas 1 Cahlil Thomas Professor Massenburg English 131L-05 24 October 2013 Only Know What You Were Taught As an American college student‚ we can be very stereotypical and commonly conceptualize other cultures or countries. We like to assume every Mexican that we see is an illegal immigrant and cuts grass for a living‚ that the Asian in our class is usually the smartest‚ and that Germans have no sense of humor. International students are aware of how their peers view them‚ Rebekah Nathan
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can’t‚ neither can anyone else. Can You Say What Your Strategy Is? by David J. Collis and Michael G. Rukstad Reprint R0804E It’s a dirty little secret: Most executives cannot articulate the objective‚ scope‚ and advantage of their business in a simple statement. If they can’t‚ neither can anyone else. Can You Say What Your Strategy Is? by David J. Collis and Michael G. Rukstad COPYRIGHT © 2008 HARVARD BUSINESS SCHOOL PUBLISHING CORPORATION. ALL RIGHTS RESERVED. Can you summarize your
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Have you ever wanted to live on the Moon‚ or Mars? Well I’m going to explain why this is a bad idea. Our technology isn’t advanced enough to let you travel planet to planet at a low cost making space travel very expensive. So now I will give you multiple reasons why claiming land on other planets is a dumb idea. Claiming land on Mars or the Moon may or may not be illegal. In the newspaper article "Can You Own Land in Outer Space" by Teresa Anjou‚ it talks about a treaty involving hundreds of countries
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"Come‚ you spirits/ That tend on mortal thoughts‚ unsex me here " (Act I‚ scene V‚ lines 44-45) In Macbeth‚ William Shakespeare writes this passage in order to shape the character of Lady Macbeth. Using only this line‚ the reader can almost determine Lady Macbeth’s personality and her motives. Up to the point where this quote leaves off‚ we have not heard much of Lady Macbeth. When she receives the letter from Macbeth‚ it seems her fascination is not directed at her husband‚ but at
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Introduction DNA (Deoxyribose Nucleic Acid) is a nucleic acid that has many names‚ each representing the phases that it undergoes (chromosomes‚ chromatin‚ genes/alleles); it resides in the nucleus (bound by 2 *phospholipid bilayers) of almost every cell in the body (red blood cells being an exception). DNA (your genotype) is double stranded and is responsible for replicating (from 46 to 92) during Interphase‚ so that mitosis can make new cells‚ repairing and allowing for growth in the body. It is
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Come As You Are Overview/Abstract Punk may be too abrasive‚ too noisy for the mainstream‚ and for that exact reason it appeals more and more to younger crowds. It speaks for people who feel disillusioned‚ angry‚ written off‚ or unheard. In doing research and conducting interviews‚ I found that for a lot of people‚ finding punk is a life-altering experience. It’s a sort of lightbulb moment for a confused‚ messed up kid‚ like they’ve finally found where they belong. Punk becomes a lifestyle -
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"What do you want to be when you grow up?" It is such a typical question‚ yet it compels children to venture into their innocent minds and let them imagine the world full of possibilities and encouragements. Their responses vary‚ ranging from superheroes to the President of the United States. But how would the little ones react when they were told‚ "You are not talented or smart enough. Try again." Their dreams would be shattered into millions of pieces and their hopes would be lost forever. Plummeting
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advances in harvesting mitochondrial DNA. “Markers” are used to trace ancestry. These markers are found through DNA Sequencing and SNP testing. The general acceptance is that the human race stemmed from a woman referred to as “Mitochondrial Eve.” It is estimated that she lived 200‚00 years ago in Africa (Rice University). Margit M. K. Nass and Sylvan Nass are accredited in discovering Mitochondrial DNA‚ or mtDNA in 1960 using electron microscopy (Rice University). DNA is found in two places in the cell;
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Live Your Life to the Fullest “You only live once‚ but if you do it right‚ once is enough‚” –Mae West. The Transcendentalist time period relates mostly to the philosophy‚ “Live life to the fullest.” Transcendentalists’ believe in self-reliance‚ individualism‚ and inner spiritual beliefs‚ just like any person who wants to live their life to the fullest. Every person should enjoy every moment of their lives by appreciating everything in order to follow their dreams and to live their lives to the
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