labeling‚ textiles (e.g.‚ ropes‚ thermal underwear and carpets)‚ stationery‚ plastic parts and reusable containers of various types‚ laboratory equipment‚ loudspeakers‚ automotive components‚ and polymer banknotes. An addition polymer made from the monomer propylene‚ it is rugged and unusually resistant to many chemical solvents‚ bases and acids. Most commercial polypropylene is isotactic and has an intermediate level of crystallinity between that of low-density polyethylene (LDPE) and high-density
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four macromolecules are polymers. A polymer is made of several repeated small units called monomers. How the polymers are formed is a method called dehydration synthesis in which the water molecule is removed and two monomers are joined together. When the polymers are breaking down it is process called hydrolysis in when the polymer is mixed with a water molecule and disrupts the bonds between the two monomers. The carbohydrates are the sugar and starches and provide the function of energy to the body
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SUBMITTED TO: Dr. Sreedevi Upadhyayula SUBMITTED BY: Gurdeep Singh Somal 2010CH10078 Gurvineet Singh Dhillon 2010CH10079 Gaurav Singh Sinsinwar 2010Ch10077 Polyimide is a polymer of imide monomers. The structure of imide is as shown. Polyimides have been in mass production since 1955. Typical monomers include pyromellitic dianhydride and 4‚4 ’-oxydianiline. Polyimides are a very interesting group of incredibly strong and astoundingly heat and chemical resistant polymers. Their strength and heat
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Macromolecules Reading Guide Part 1: Carbohydrates: Read pages 68-74 and complete the following questions. 1. Define the following: a. monomer-repeating units that serve as building blocks of polymers b. polymer-long molecule consisting of many similar building blocks linked by covalent bonds c. dehydration synthesis or condensation reaction-monomers are connected by a reaction in which two molecules are covalently bonded‚with loss of water molecule d. hydrolysis-a process that is
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What are monomers? molecules that can bond to form polymers. building blocks. What are polymers? Chain of monomers. What is the process of polymerization? Taking monomers and making polymers. What are the four molecule characteristics of living things? Proteins(made from amino acids)‚ Carbohydrates(made from monosaccharides)‚ Nucleic acid( made from nucleotides)‚ lipids What is a macromolecule? give examples Polymers with molecular weight exceeding 1000 g/mol. examples:
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(provide ____________ for the cell) -serve has ________________ material for __________________ that protect the cell Types of polysaccharides -__________________polysaccharides -in plants‚ the storage sugar is ____________ (a polymer of glucose monomers) as granules within cellular structures known as plastids‚
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being polar? When ionized the atom will either lose or gain electrons. A polarized molecule has an overall neutral charge with positive and negative sides such as H2O. 2. Compare macromolecules to Monomers; complete the chart below Example of a Macromolecule | Corresponding Monomer | polysaccharide | monosaccharide | lipids | glycerol‚ fatty acid | protein | Amino acids | nucleic acid | necleotides | CARBOHYDRATES 1. List the three main groups of carbohydrates.
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Unit 1: Introduction to Biochemistry Lesson 1-4: Key Question How many electrons does Mg2+ have? (1 mark) Mg2+ has 10 electrons. A magnesium atom has 12 electrons with 2 of the 12 being valence electrons. Therefore the atom will lose the valence electrons which are located on the outermost shell to stabilize itself (outermost shell) as atoms tend to do what it easiest. Since magnesium lost 2 electrons it becomes positive as it is giving away electrons to stabilize other atoms. Hence magnesium
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Macromolecules (also known as supermolecules) are commonly grouped into four major categories: proteins‚ nucleic acids‚ lipids and carbohydrates. These are mainly composed of polymers‚ long molecules made up of a large number of small‚ similar molecules‚ or monomers. Proteins are polymers of amino acids. Long amino acid chains are folded into complex shapes‚ the shape of each determining the function of the protein. They are complex organic compounds‚ essential to the functioning as well as the structure
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9.1 Manufacture of Sulphuric Acid 1. State uses of sulphuric acid in daily life. - lead acid batteries in automobiles and for home use - extraction of elements from ores - manufacturing of fertilizers 2.The following shows an incomplete flow chart of the Contact process. a) b)Chemical equation A. B. C. D. 3. Briefly explain the sources of sulphuric dioxide gas in atmosphere. -Sulphur dioxide is produced mainly from the combustion of fossil fuels
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