point of performing treatment 2 (starch) versus treatment 3 (starch + amylase) -To determine whether fermentation will happen while sugar is in its complex‚ polymer form or only once broken down to its monomer units (glucose). Beaker 3 introduces the enzyme that breaks starch down to its monomer units. 4. What are the hypotheses for
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and Bulk Process Date: 1/17/2012 Introduction: This lab was designed to demonstrate the free radical polymerization of styrene using solution process and bulk process. It demonstrates specifically with the polymerization of styrene monomer to form polystyrene (PS). This lab was also intended to show the difference between solution process and bulk process and how it affects the yield and appearance of the final product. Polystyrene is a major polymer used for a wide variety
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Polymer Chemistry Classification of Polymers – Notes prepared by The most common way of classifying polymers is to separate them into three groups - thermoplastics‚ thermosets‚ and elastomers5. The thermoplastics can be divided into two types - those that are crystalline and those that are amorphous. You may click on the words in the diagram below to learn more about these classifications. Thermoplastics Molecules in a thermoplastic are held together by relatively weak intermolecular
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The Identification and Production of Materials 1. Fossil fuels provide both energy and raw materials such as ethylene‚ for the production of other substances. Students Learn To: .2 Identify the industrial source of ethylene from the cracking of some of the fractions from the refining of petroleum. • Ethylene is produced either from natural gas or crude oil‚ which are mixtures of hydrocarbons. One method involves… Cracking: a process by which hydrocarbons with higher molecular
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stephanie lombardi block f 2.1 What are Organisms and Their Components? (Pgs. 37-41) organisms are living things with components that biotechnologists work directly with they are the raw materials of biotechnology cells are the smallest unit of life that makes up all living organisms‚ these can be manipulated in many ways Escherichia Coli (E.Coli) is a bacterium that is commonly used by biotechnology companies for the development of products multicellular composed of more than one cell
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Chapter 1: Biology- The study of life A Hierarchy of Organization 1. Molecules 2. Organelle 3. Cell 4. Tissue 5. Organ 6. Organism Emergent Properties- Novel properties that emerge as each step up the hierarchy of biological order is taken. Reductionism- Reducing complex systems to simpler components that are more manageable to study. Cells- The lowest level of structure capable of performing all the activities of life‚ all organisms are composed of cells which are the basic units of structure
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of a compound due to reaction with water. Monosaccharide- any of the class of sugars (e.g. glucose) that cannot be hydrolysed to give a simpler sugar. Dissacharide- any of a class of sugars whose molecules contain two monosaccharide residues. Monomer- a molecule that can be bonded to other identical molecules to form a polymer. Polymer- a substance which has a molecular structure built up chiefly or completely from a large number of similar units bonded together‚ e.g. many
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information from the movie‚ textbook‚ lectures‚ or internet to answer the questions below. 10. Which categories of macromolecules were discussed in the movie? What monomers do the macromolecules breakdown to when you digest them? 11. What category of macromolecules was not specifically mentioned in the movie and what monomers are used to build it? 12. Give an example or two of the food item(s) that represents each macromolecule category? 13. What is the difference between saturated
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Basic chemistry of a cell Properties of water – – – Life on Earth began in water and evolved there for 3 billion years before spreading onto land. Modern life‚ even terrestrial life‚ remains tied to water. All living organisms require water more than any other substance. Human beings for example‚ can survive for quite for a few weeks without food‚ but only a week or so without water. – – – Water is deceptively simple. It is shaped something like a wide V‚ with its two hydrogen atoms joined
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fairly large groups due to the molecules ’ aversion for its surroundings. In a typical adhesive‚ like liquid glue‚ monomer molecules and a stabilizer are in a solvent. The stabilizer discontinues the monomers from making a solid polymer. Interaction with the water in the air and on the surfaces being combined together by the glue lets the stabilizer become inactive. This lets the monomers merge to generate polymers. As more polymers are formed‚ the adhesive alternates from a liquid to a solid. Cohesive
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