equation for the reaction of barium hydroxide with nitric acid. 2003:23(a) 1 9 The structures of two commercially significant monomers are shown. (a) Identify the common name of ONE of the monomers 2004:17(a) 1 (b) The uses of polymers are dependent on their properties. 3 Discuss this statement with reference to a polymer made from one of the above monomers. 2004:17(b) 3 (c) Draw the
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5 The Structure and Function of Large Biological Molecules In Chapter 5‚ the principles of chemistry covered in earlier chapters are applied to the understanding of biological polymers and lipid membranes. The emphasis is on properly linking monomers and their polymers‚ and on the structural and functional diversity of the different polymer types. Particular attention is given to protein structure‚ because this is central to understanding subsequent chapters on metabolism‚ molecular biology‚
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The Molecules of Cells (Chapter 3 in your textbook) Without water and carbon-based molecules‚ no life as we know it! Carbon: The Backbone of Life • Living organisms consist mostly of carbon-based compounds Also‚ H‚ N‚ O‚ P‚ and S…… • Carbon is unparalleled in its ability to form large‚ complex‚ and diverse molecules. Why? Principal source of carbon on Earth? • Proteins‚ DNA‚ carbohydrates‚ lipids‚ and other molecules that distinguish living matter are all composed of carbon. C21H36N7O16P3S Coenzyme
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Acid. • Proteins - monomers are amino acids and proteins are used for various reasons in cell such as structure‚ defense‚ modification. An example of a protein is hemoglobin that red blood cells used to carry oxygen. • Carbohydrates - monomers are monosaccarides with the general formula of CH20. Carbohydrates can be used for storage or energy or even for structure‚ such as the cellulose that makes up the plant cell wall. • Nucleic Acids - RNA and DNA‚ the monomers of both of them are nucleotides
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Mastering Concepts 2.1 1. Which chemical elements do organisms require in large amounts? Carbon‚ oxygen‚ hydrogen‚ nitrogen‚ sulfur‚ and phosphorus are the chemical elements that organisms require in large amounts. 2. Where in an atom are protons‚ neutrons‚ and electrons located? An atom’s protons and neutrons are in its nucleus. A cloud of electrons surrounds the nucleus. 3. What does an element’s atomic number indicate? An atom’s atomic number indicates the number of protons in its nucleus
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Biology 1010 8/27/13 Life: * Order: Pine Cone‚ Bacteria – where things are * Regulation: Regulate their internal environment * Maintain homeostasis * Ex. Breath‚ too much CO2‚ changes pH Sends message to brain * Growth and development: Definite pattern to growth and development * Directed by DNA (genetic material where the genes are found) * Energy processing: All organisms must have energy * Humans: Food (Heterotrophs = other-feeding (fungi and
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this experiment we will be testing what would happen to the polymer when we add borax to it. A polymer is a compound made up of large molecules often in a solid state. Polymers are chemically formed by 100 to 10‚000 small molecules called "monomers". Monomers occur in molecular units or patterns that look like beads on a string. Polymers are also formed by large atoms. They form into long and flexible chains. Polymers are found in plastics‚ fibreglass‚ and many more product manufacturer. Polymers
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website‚ and this information from the movie was found in Professor Brainard’s notes. As the movie rightly states‚ flubber is a polymer. It is composed of many monomers‚ which are linked together by a catalyst (boron). These monomers are linked together with chemical bonds to form long chains. Flubber is made of 1‚000 to 10‚000 monomers linked together. Unlike what was mentioned‚ electricity is not needed; but stirring will definitely speed up the reaction. Temperature does not need to fluctuate
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Test #1 Review: Chapters 1‚ 2‚ & 3 Chapter 1. Describing life and science 1. Which is the correct sequence for levels of biological organization within an organism? • Atom-molecule-organelle-cell-tissue 2. Which is the correct sequence for levels of biological organization occurring beyond the individual? • Population-community-ecosystem-biosphere 3. To be considered a living organism‚ the organism must consist of • one or more cells 4. Which is not a required characteristic of
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structurally different. Carbohydrates have the general molecular formula CH2O. Starch and cellulose are the two most common carbohydrates. Both are polymers (hence "polysaccharides"); that is‚ each is built from repeating units‚ monomers‚ much as a chain is built from its links. The monomers of both starch and cellulose are the same: units of the sugar glucose. Carbohydrates are one of the four major classes of organic compounds in living cells. They are produced during photosynthesis and are the main sources
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