relationship between organisational structure and culture You will need to: compare and contrast different organisational structures and culture Here you need to briefly describe the different types of organisational structure‚ and what different types/formats of culture can be found in organisations‚ and then compare and contrast them – what causes/creates each type‚ and positive factors / negative factors of each. explain how the relationship between an organisation’s structure and culture can impact on
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made up of carbon‚ hydrogen and oxygen (phospholipids also contain phosphate) and are found in a wide variety of organisms from bacteria to eukaryotes where they perform a wide variety of useful functions. This essay will expand on these functions to describe the role of lipids. There are several types of lipid including triglycerides‚ steroids‚ waxes and phospholipids. Triglycerides are made up of three fatty acids combined with glycerol by an ester linkage meaning they are predominantly hydrophobic
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p53: Structure‚ Function and Therapeutic Applications Ling Bai and Wei-Guo Zhu1 Department of Biochemistry and Molecular Biology‚ Peking University Health Science Center‚ Beijing‚ China [L. Bai‚ W.-G. Zhu]; Department of Biotechnology‚ Guilin Medical College‚ Guilin‚ China [L. Bai] Since the p53 tumor suppressor gene has been found to be mutated in more than 50% of human cancers‚ it has attracted the interest of numerous researchers. The capacity of p53 for multiple biological functions can be
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Chapter 2 Integrin Structure and Function Manakan Betsy Srichai and Roy Zent Abstract Integrins are a large family of heterodimeric glycoprotein receptors first discovered over twenty years ago. They exist as two noncovalently bound a- and b- subunits that function as adhesion molecules and play key roles in many biological processes including actin cytoskeleton organization and transduction of intracellular signals regulating cellular functions. Integrins bind a variety of extracellular matrices
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millimetres for the measurements given in each row. The first row has been completed for you. Ensure that your answers use the correct unit symbols. Nanometre Micrometre Millimetre 5 0.005 0.000005 1 1 1 3 7 0.5 3) When studying cells structure using a microscope the smallest unit of measurement commonly used to describe findings is the nanometre. Explain why. Magnification and Resolution 1) Define the following terms: Magnification: Resolution: 2) Visible light has a wavelength
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Give an account of protein structure and function Protein structure 1 Proteins consist of amino acids joined together (in chains) 2 A protein is unique because of the sequence of amino acids 3 The amino acids are joined by strong peptide bonds 4 to produce the primary structure 5 Further (weak) hydrogen bonding between acids 6 produce the secondary and tertiary structures A maximum of 4 marks can be gained from this section. Protein function 7 Some proteins are enzymes + named example
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primary organelles in eukaryotic cells that involve in the transformation of energy‚ thus in production and consumption respectively. The chloroplast is an organelle present only in plant cells and some prokaryotes. At the same time they are absent in animal cells. It’s through the chloroplast that entry of energy to a cell takes place where sunlight is used to trap and convert carbon to sugar‚ which is basically chemical energy that is utilizable by plant cells. Meanwhile‚ the mitochondrion is
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The nucleolus (plural nucleoli) is a non-membrane bound structure. Composed of proteins and nucleic acids found within the nucleus. Ribosomal RNA (rRNA) is transcribed and assembled within the nucleolus. Three major components of the nucleolus are recognized: the fibrillar centers (FC)‚ the dense fibrillar components (DFC)‚ and granular components (GC). The DFC consists of newly transcribed rRNA bound to ribosomal proteins‚ while the GC‚ contains rRNA bound to ribosomal proteins that are beginning
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The structure and function of carbohydrates A carbohydrate is an organic molecule containing only Carbon‚ Hydrogen and Oxygen with the general formula Cn(H20)n. They are made up of individual molecules called monomers which are joined together by condensation reactions to make a longer chain called a polymer. Carbohydrates are categorised in to three main groups; monosaccharides‚ disaccharides and polysaccharides. Monosaccharides are single sugars and are sweet tasting soluble substances such
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depends on the type of lipids Membrane rich in unsaturated fatty acids are more fluid that those rich in saturated fatty acids Membranes must be fluid to work properly; they are usually about as fluid as salad oil. Cholesterol acts as a temp buffer At warm temp(such as 37*C)‚ cholesterol restrains movement of phospholipids At cool temp‚ it maintains fluidity by preventing tight packing (don’t want cholesterol in bloodstream). MEMBRANE PROTEINS determine the membrane’s function Many diff
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