Enzymes are specific in their match of substrates they will breakdown – similar to a key and its lock. Since amylase is the only enzyme that breaks down starch‚ the procedure was effective and gave clear results of sugar produced. With help from the stain reagent benzoic acid – I visibly saw the production of sugar molecules. However‚ I was only able to determine which of the Tubes experimented had the most or least sugar present‚ by color intensity. By operating a spectrophotometer‚ I was able to create
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cells‚ similarities and differences exist because of varied life functions. Purpose: In this lab‚ you will find out how plant and animal cells are alike and how they are different. Material ● Microscope ● slides & coverslips ● water ● cell stains: iodine & methylene blue ● toothpicks ● lens paper ● paper ● pen/pencil Introduction: Ever since the first microscope was used‚ biologists have been interested in studying the cellular organization of all living things. After hundreds of years of observations by many biologists
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an antigen 2. Chlamydia trachomatis is You correctly answered: c. a bacterium that reproduces inside its host cell. 3. The infectious form of Chlamydia that is spread from person to person is the You correctly answered: d. elementary body that stains green in this activity 4. The goal of the direct fluorescent antibody test is to test for the presence of You correctly answered: c. antigen. 10/15/13 page 1 Experiment Results Stop & Think Questions: The source of the patient samples
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Babylon Revisited: Analysis Of Characters. Charlie Wales Despite his many flaws‚ Charlie is a man whom almost everyone can’t help but like. It’s surprising that Charlie’s so likeable considering his wild past of uncontrollable alcoholism‚ his possible complicity in his wife’s death‚ and the fact that he essentially abandoned his child. He seems so earnest in his efforts to reverse the situation. We also note that he rejects his former friends and he merely takes only one drink per day. Fitzgerald
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I’ll never forget the summers when my sisters and I spent the whole summer with our grandparents. Grandpa Jerry Trotter and Granny Velma Trotter. My grandparents live in McNab‚ Arkansas in the country on large acres of land outside of Fulton‚ Arkansas. We had many grand adventures and loads of fun the summer visits even though we were in the country. One of my adventures involved learning how to ride and drive a 4-wheeler that belonged to Grandpa Jerry. It was at the fastest bike I have been on
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I. Thomas Jefferson a) Born: April 13 th ‚ 1743 Goochland‚ VA b) Died: July 4 th ‚ 1826‚ Monticello‚ II. VA Educational and Occupational Background a) College of William and Mary b) VA delegate to Continental Congress (1783-1784) c) VA House of Burgesses (1769-1774) d) Governor of VA (1779-1791) e) Minister of France f) Secretary of State for George Washington (1790-1793) g) Vice President for John Adams (1797-1801) III. Terms of Office a) First term: 1801-1805
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brilliance. It is not uncommon for individuals to lose the shine of their teeth. Teeth can lose their glitter or become yellow due to numerous reasons. Apart from aging‚ poor oral hygiene‚ as well as the habit of consuming certain foods and drinks can stain and discolor teeth. Consuming smoke or smokeless tobacco is also one of the cardinal reasons for tooth discoloration. Now‚ discolored or yellowed teeth may not affect the oral health‚ they certainly do make individuals feel self-conscious. Fortunately
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Microorganisms are classified according to their structure. By means of flow charts‚ diagrams and tables explain the differences between Viruses‚ Bacteria‚ Cyanobacteria‚ Achaea and Fungi. Bacteria or bacterium are unicellular microorganisms. They are essentially only a few micrometres long and form of various shapes including the spheres‚ rods and spirals. A BACTERIAL CELL Illustration courtesy of Wikipedia. A Virus (from the Latin noun virus‚ meaning toxic or poison) is a sub-microscopic
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Onion(Onion cell) * Methylene blue stain water * Water * Cheek skin(Cheek cell) Procedure: Onion Cell 1. Create a wet mount(using water‚ a syringe‚ slides and slide covers of course) 2. Use tweezers to get onion skin from the onion 3. Place onion skin in wet mount 4. Put mount under the scope and view the cell For using methylene blue stain water just do same procedure as the one above except use the methylene blue stain water instead of regular water when creating
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In a positive test for starch the colour of the substance would change to black c) In a positive test for protein the colour of the substance would be pink or purple/violet d) In a positive test for lipids the substance would leave a translucent stain on the brown paper bag 2. The purpose of testing the four test tubes was to ensure that the colour change that occurred in the substance was due to a chemical change and not the substance being added to it. 3. The student saw a colour change happen
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