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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Technological Institute of the Philippines Bachelor of Science in Electronics and Communications Engineering CS 100L2-ICDL / ES12FB2 Assignment # 3 Flores‚ Ian Peter Hanie D. Prof. Mon Arjay Fernandez Malbog Jan. 15 2013 Computer Number System Binary‚ hexadecimal‚ and octal refer to different number systems. The one that we typically use is called decimal. These number systems refer to the number of symbols used to represent numbers. In the decimal system‚ we use ten different symbols:
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The spry meadows are held captive in binding dismal white Until Winter’s final breath meets an end with desolate entice For one frigid grasp elongates all branches with such contrite Shall the sun be revenged‚ for it pertains the snow with vice? Or is there proof that an intolerable moment not at all exists? Let it be that patience is evermore a virtue‚ evermore an imperative embrace Composure dissolves the unforgiving snow to bring warmth‚ the light persists Skies masked with thick swirls
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Childhood Obesity In America English 122 Instructor Fawn vonFrohling October 20‚2012 Obesity is a growing problem and it is prevalent in all ages of society. America is no exception; in fact‚ America is the leading source of obesity. The obesity problem is tackled by Greg Critser and Mary Ray Worley. In Critser’s article‚ “Too Much of a Good Thing‚” he explains how obesity takes
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When I was born a girl‚ my mother said‚ "one day‚ she will grow up to be a doctor!" Father said‚ "one day she will grow up to be someone great." Today‚ father has long left for the mysterious afterlife‚ merging into the moist Earth. Mother cries that I had never become her doctor. During the period from 1839-1860‚ Ch’ing China faced the downfall of a dynastic cycle plagued by a dual threat‚ externally from the West and internally from the rebellions within the country. Thus in discussing the
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REPUBLIC DAY MESSAGE India’s republic day is the day of pride for every Indian as on this propitious day our constitution came into implementation. On 26th January the rule of law and order started with soul concern for the Indian citizens after freedom from colonial government. A constitution which is the ideal for the whole world to imitate its secular‚ democratic‚ republic and sovereign theme is constituted by our leaders with the spirit of unbigoted development of every section of the society
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Associate Program Material Cell Energy Worksheet Answer the following questions: Cellular respiration: What is cellular respiration and what are its three stages? Cellular respiration is the complete cycle of a glucose molecule that happens to be using oxygen. The three stages of cellular respiration are: Glycosis‚ the Krebs cycle‚ and the electron transport chain. What is the role of glycolysis? Include the reactants and the products. Where does it occur? Glycolysis is the
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Teds Hughes and mark doty poems are written in animals point of view ‚ Showing each unique animal character and their point of view about this world from their perspective. The poet uses literary devices in their poems using tones‚ personification ‚ and visual imagery to evoke the reader’s emotions and to make the poems more comprehensible. In this two poems the poets made a unique quality of personifying the hawk and the dog because they cannot articulate their thoughts and emotions into
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Cell Fractionation i) EQUIPMENT: Cold Liver‚ Blender‚ Gauze‚ Fridge‚ Isotonic Solution‚ Centrifuge‚ Tubes‚ Scalpel‚ HOMOGENIZATION • Take chilled liver tissue and cut into smaller pieces. • Place liver into blender with cold isotonic solution. • Blend until you have a thick soup like substance (homogenate). • Filter the mixture to remove large debris through gauze into a tube. DIFFERENTIAL CENTRIFUGATION • Attach tubes of homogenate to the refrigerated Centrifuge and turn on to spin
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Evaluation/Worksheet Answer the following questions in the space provided. Remember to use complete sentences to demonstrate comprehension and understanding. Based on the labs you completed‚ answer the following questions: 1. Which solute(s) were able to diffuse into the right beaker from the left beaker? Which did not? Answer: The solute(s) that were able to diffuse Na+/Cl- ‚ Urea‚ Glucose. The solute that didn’t was Albumin. 2. Explain the relationship between the rate of diffusion
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