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    Worksheet 2

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    that both are covered by a cell membrane and contain RNA as well as require energy 3. Which type of microscopy provides a 3d view of the surface of an object? Scanning electron microscope 4. Would you find proteins inside cells or cells inside proteins? (Choose one answer.) Protein inside cells 5. Which type of molecule travels through an aquaporin? Small‚ lipid-soluble molecules 6.  Explain the basic organization (main components) of a plasma membrane. Include at least 4 distinct parts

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    Aquaporin Water Channels Peter Agre Roderick MacKinnon All living matter is made up of cells. A single human being has as many as the stars in a galaxy‚ about one hundred thousand million. The various cells – e.g. muscle cells‚ kidney cells and nerve cells – act together in an intricate system in each one of us. Through pioneering discoveries concerning the water and ion channels of cells‚ this year’s Nobel Laureates Peter Agre and Roderick MacKinnon‚ have contributed to fundamental chemical

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    BIOL 2113 Chapter 1 2 3

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    CHAPTER ONE ANATOMY - Studies the STRUCTURE of body and their relationships to one another. SUBDIVISIONS OF ANATOMY GROSS ANATOMY - the study of large body structures visible to the naked eye. Regional Anatomy - all structures in one part of the body are studied at the same time Systemic Anatomy - various systems of the body are studied. MICROSCOPIC ANATOMY - examination of body tissue using a microscope. CYTOLOGY - study of the CELLS of the body. HISTOLOGY - study of the TISSUES

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    never cry wolf

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    CELLS – CH 3 HISTORY OF CELL DISCOVERIES -1665 – Cells were discovered and named by ____________. (in _________________) -1673 – ______________ was the “Father of _______________”. First to describe ______________________. Other scientists made discoveries which helped to create… The ___________ Theory: 1. _______________________________________________. (Schleiden and Schwann) 2. _________________________________________________________________. 3. __________________________________________________________

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    channels and enzymes and assisting in trafficking of proteins to the cell membrane (5‚ 8). Why is PIP2 then so important in hippocampal cells? PIP2 is a substrate for hydrolysis by the enzyme phospholipase C (PLC)‚ whereby the products of this interaction are the secondary messengers‚ diacyl Glycerol (DAG) and inositol trisphosphate (IP3) (6‚ 8) that are involved in the regulation of physiological processes on the plasma membrane including calcium mobilisation‚ which all contribute to mediation of synaptic

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    Biology

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    w w w e tr .X m eP e ap .c rs om June 2003 GCE A AND AS LEVEL MARK SCHEME MAXIMUM MARK: 40 SYLLABUS/COMPONENT: 9700/01 BIOLOGY Paper 1 (Multiple Choice) Page 1 Mark Scheme A/AS LEVEL EXAMINATIONS – JUNE 2003 Syllabus 9700 Paper 1 Question Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Key D A C C A C D A B A B C B C D A D A C C Question Number 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Key D B B A C C B B C D A C C D B B D B B C

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    – (figure 1.21) Discussion: Well the results defiantly supported my hypothesis‚ which led me to believe that water could pass through the cellulose bag due to osmosis‚ which is the movement of free water molecules through a partially permeable membrane‚ moving from a dilute to a concentrated solution ( the starch solution was more concentrated than the water). This is a very good example of osmosis

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    liquids or gases. 4. Cell membrane the semi permeable membrane surrounding the cytoplasm of a cell. 5. Solute concentration a component of a solution: in a solution‚ the dissolving substance is called a solvent whereas the dissolved substance 6. Osmosis the tendency of a fluid‚ usually water‚ to pass through a semipermeable membrane into a solution where the solvent concentration is higher‚ 7. Active transport the movement of ions or molecules across a cell membrane into a region of higher

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    Assistant Professor

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    DETECTION OF EYE MOVEMENTS USING ELECTROOCULOGRAPHY A Graduate Project Report submitted to Manipal University in partial fulfilment of the requirement for the award of the degree of BACHELOR OF ENGINEERING In Electronics and Communication Engineering Submitted by Rajesh Sunkara Reg. No: 090907193 Under the guidance of Ms. Shruthi.K Assistant Professor DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING MANIPAL INSTITUTE OF TECHNOLOGY (A Constituent College of Manipal University)

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    Chapter 3 Case Study

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    glucose to make essential ATP energy. Eventually the cells began to die‚ active transport pumps shut down the plasma membrane of the heart cells. The cells become leaky; Sodium slowly began to leak into the cell and potassium leaked out. C) The endoplasmic reticulum and the lysosomal enzymes are intracellular organelles that have membranes as part of their structure. When these membranes breakdown it affects the heart because calcium ATPases stops moving calcium from the cytosol into the endoplasmic

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