Biology Lab Report 2 Investigating the phenomenon of Osmosis in plant tissues: Potato in different concentrations of NaCl Tutor: Maria Tsaousidou By Marina Gkritzioudi Biology Lab Report 2 Investigating the phenomenon of Osmosis in plant tissues: Potato in different concentrations of NaCl Tutor: Maria Tsaousidou By Marina Gkritzioudi Investigating the phenomenon of Osmosis in plant tissues: Potato in different concentrations of NaCl Introduction: Osmosis is the movement of
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Then‚ work out the masses each side to prove they are the same. (C = 12; H = 1; O = 16). 9) Write the name and formula of the chemical compound that forms limestone. 10) What is the name of the process by which carbonates are broken down by heating? 11) Draw a flow diagram of the limestone cycle‚ including chemical names and formulae. 12) Complete the general reaction: Acid + Carbonate --------> S…… + W…….. + C……… ………… 13) Explain how limestone is used to make cement‚ mortar and concrete. 14) What
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Liver Disease and Medium Chain Triglycerides Seth Fraley Liver disease encompasses numerous disorders which disrupt the normal functions of the liver. Normal liver functions include: breaking down harmful substances‚ removing waste products from the blood‚ storing nutrients and vitamins‚ and moderating chemical levels in the body. Types of liver disease include: viral hepatitis‚ autoimmune diseases (primary biliary cirrhosis)‚ genetic diseases (hemochromatosis)‚ alcoholic hepatitis‚ and non-alcoholic
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temperature was above 40Ëšc the enzyme did not work as efficiently‚ even with the extra energy‚ as they had become deformed. Where the enzyme does not work so well or does not even work at all the active site if the enzyme had changed. The enzyme had not died as it is not a living organism. With the shape of the active site changed the enzyme is unable to perform the "lock and key" action the enzyme is meant to do in order to catalyse a reaction. The specified enzyme is shaped to "lock" on to
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Discovery Restriction enzymes were discovered 40 years ago during investigations into the phenomenon of host-specific restriction and modification of bacterial viruses. Restriction enzymes protect bacteria from infections by viruses‚ and it is generally accepted that this is their role in nature. They function as microbial immune systems. When a strain of E. coli lacking a restriction enzyme is infected with a virus‚ most virus particles can initiate a successful infection. When the same strain
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Tetrahymena is contained in the food vacuoles inside of the organism. After the Tetrahymena has completed it’s feeding and the food vacuoles are filled‚ the digestion process then occurs. The digestion process has a certain type of organelle to invite enzymes to break down the food particles known as lysosomes. This then leads into the excretion of waste for the Tetrahymena. Any food particles that were left undigested are then removed from the cell at a specific point inside of the cell called the cytoproct
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level CHAPTERS CLASSIFIED:ENZYMES 9700/2 BIOLOGY Paper 2 Structured Question AS For year 2014 Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs or rough
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Elizabeth Au (1) Serena Chan (3) Sharon Chan (4) Christy Chan (5) BIOLOGY LAB REPORT Investigation of the effect of metal ions on enzyme activity Objective To study the effect of two heavy metal ions‚ lead (II) ions and silver ions on the enzyme activity of invertase. Introduction Hypothesis: The rate of enzyme reaction of invertase decreases and the reaction eventually stops as the heavy metal ions inhibit the enzyme reactions. Biological principle: Heavy metal ions are non-competitive
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Study Guide for Unit V Energy and Enzymes. What is cellular work? Why must living things utilize energy with maximum efficiency? Define energy. Why do living things need a constant input of energy? Where does all energy in the biosphere originate? Define kinetic and potential energy. (Give biological examples). What are the two laws of thermodynamics? Give examples. What is entropy and what is the law of entropy? How do living things resist the law of entropy? Give biological examples. Define
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Pathophysiology of Metastatic Liver Cancer Liver metastases are cancerous tumors that have spread to the liver from somewhere else in the body. Cancers that may spread to the liver include: • Breast cancer • Colorectal cancer • Esophageal cancer • Lung cancer • Melanoma • Pancreatic cancer • Stomach cancer The risk of cancer spreading to the liver depends on the site of the original cancer. A liver metastasis may be present when the original (primary) cancer is diagnosed‚ or it may
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