Antibiotics Antibiotics transformed medicine. The discovery of antibiotics began by accident. On the morning of September 3rd‚ 1928‚ Professor Alexander Fleming was having a clear up of his cluttered laboratory. Fleming was sorting through a number of glass plates which had previously been coated with staphyloccus bacteria as part of research Fleming was doing. One of the plates had mould on it. The mould was in the shape of a ring and the area around the ring seemed to be free of the bacteria staphyloccus
Premium Personal computer Computer
more in depth methods for studying the proteins structure and the centers of particular enzymes. He also assisted two other scientist in determining the amino acid sequences of DNA information. Frederick Sanger’s discovery in science has changed theories and shaped our science world today. Born on August 13‚ 1918‚ and died on November 19‚ 2013‚ 95 year old Frederick Sanger made some pretty extroidinary discoveries. Born and raised in Rendcombe‚ England‚ Sanger attended Bryanston School and St. John’s
Premium
Lab: Tuesdays at 1pm Enzyme Kinetics Lab Introduction: Enzymes are proteins that will catalyze reactions to make the rate of the reaction occur faster than it would without. It can also make the reaction occur in the first place. Tyrosinase is an enzyme that has a variety of functions and activities. It produces pigments like melanin and others that would be apparent when a fruit is cut in half and it browns. (Bien-etre 3).There is that one function that stands out and the enzyme is continuously studied
Premium Cancer Oncology Protein
The Discovery of the Fibonacci Sequence A man named Leonardo Pisano‚ who was known by his nickname‚ "Fibonacci"‚ and named the series after himself‚ first discovered the Fibonacci sequence around 1200 A.D. The Fibonacci sequence is a sequence in which each term is the sum of the 2 numbers preceding it. The first 10 Fibonacci numbers are: (1‚ 1‚ 2‚ 3‚ 5‚ 8‚ 13‚ 21‚ 34‚ 55‚ 89). These numbers are obviously recursive. Fibonacci was born around 1170 in Italy‚ and he died around 1240 in Italy
Premium Fibonacci number Golden ratio
Chapter 9 HW Patterns of Inheritance Part I: Mendel and His Discoveries Answer each of the following questions and include at least one website for each question that pertains to the question. 1. Stands of aspen trees often are a series of genetically identical individuals‚ with each succeeding tree growing from the wavered shoot of another tree. Using what you’ve learned of genetics I this chapter‚ would you expect one aspen tree in a stand to
Premium Gene Personality psychology Growth hormone
Year 11 IB Biology IA Report 2011 5/31/2011 Enzyme Activity Experiment Introduction 3 AIM 3 Materials 3 Method 4 Result 5 Table 1: 5 Table 2: 5 Graph 1 6 Discussion 6 Conclusion 8 Bibliography 9 Appendix 1 (Test tube 3- 45 degrees) 9 Appendix 2 (Test tube 1- 5 degrees) 9 Appendix 3 (Test tube 2- 20 degrees) 9 Introduction Phenolphthalein is an indicator that is pink in alkaline solutions of about pH10. When the pH drops below pH 8.3 phenolphthalein will
Premium
Christopher Columbus was a famous explorer‚ navigator‚ and Italian. He is credited to opening up the Americas to European colonization. In my report I will touch the topics on Christopher Columbus’s life‚ his exploration to the Americas‚ and later voyages. Christopher Columbus was born in 1451 in Italy. His dad was a weaver. He was born in Genoa‚Italy. As a teen he worked on a ship for merchants. In 1470 Columbus was on a ship‚ later pirates attacked the boat. The boat sank on the portuguese shore
Premium
Biology Enzyme Catalase Investigation Aim: The aim of this investigation is to study and observe whether or not the concentration of hydrogen peroxide (varying from 10 – 30 millilitres) affects the rate of reaction. Hypothesis: With the increase of the concentration of Hydrogen Peroxide 3% substrate‚ I prediction that the rate of pressure increase will begin to amplify. The pressure is bound to increase because the catalase quickly reacts with the hydrogen peroxide; this is why the more substrate
Premium Catalase Measurement Gas
DIGESTIVE ENZYMES AND THEIR FUNCTIONS Mouth -the oral cavity or the mouth contains salivary glands that secrete a wide range of enzymes to aid the first step of metabolism of food. The salivary gland secretes the enzyme lysozyme which has an antibacterial action. The enzymes secreted by the mouth mainly provide protection against bacteria. Betaine helps to maintain a fluid balance inside the mouth. The lists of digestive enzymes secreted by the oral cavity are mentioned in the table. Enzymes | Function
Premium
experiment diluted solutions of amylase were created and then tested using a starch solution‚ I2KI for reaction times. The answer to the question was proved to be that more concentration of amylase speeds up the reaction time. Introduction The enzyme‚ amylase is found in the saliva of most animals and in humans. Amylase hydrolyzes starch‚ a plant’s reservation of carbohydrates. Amylase causes a chemical reaction in the polysaccharide starch that breaks down the glucose molecules into maltose
Premium Starch Chemical reaction Reaction rate