biology enzymes essay

Title: “The Effect of Substrate Concentration, Enzyme Concentration, pH and Temperature on Enzyme Activity” Abstract: In the following experiments we will measure precise amounts of potato extract as well as Phenylthiourea, combined with or without deionized water and in some instances change the temperature and observe and record the reaction. We will also investigate the different levels of prepared pH on varying samples of the potato extract and the Phenylthiourea and record the results.

Lynne Chen September 30, 2016 AP Biology Period 2 Title The Effect of Increasing Hydrogen Peroxide Substrate Concentrations on the Rate of Catalase Enzyme Activity Measured Using a Biology Gas Pressure Sensor Abstract/Purpose The goal of this lab was to find the effect of different substrate concentrations of hydrogen peroxide on the rate of catalase enzyme activity. This experiment was specifically meant to find a correlation between an increasing substrate concentration of hydrogen peroxide on

Effects of Temperature, pH, Enzyme Concentration, and Substrate Concentration on Enzymatic Activity INTRODUCTION Enzymes, proteins that act as catalysts, are the most important type of protein[1]. Catalysts speed up chemical reactions and can go without being used up or changed [3] Without enzymes, the biochemical reactions that take place will react too slowly to keep up with the metabolic needs and the life functions of organisms. Catecholase is a reaction between oxygen and catechol

of oxygen production with different temperatures. Introduction: Enzymes are an essential aspect of our lives. They are catalysts that speed up the chemical reactions inside cells, or the process of metabolic reactions, from the synthesis of DNA down to the digestion of food in our bodies. Enzymes allow cells to grow and reproduce, as stated in the Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.) (Smith, 1997). Enzymes are proteins made from amino acids that are activated by ATP and

experiment was to objectively examine the rate of catalase enzyme activity through the manipulation of concentration levels temperature, and pH levels, interpret what was observed and learned, and to explain what enzymes are and what they do through the use of the scientific method. February 5, 2015 Introduction An enzyme is a protein created by an organism that increases the rate at which chemical reactions occur. There are three different types of enzymes; digestive, metabolic, and food. They break down

Activity of Enzyme Afomia Zewdie BIOL-1406-S4L Lab June 30, 2016 Abstract This experiment was performed in order to determine how the condition of the environment and the specificity can affect enzymatic activity. The activity of enzyme, how efficiently the enzyme functions, is affected by general environmental factors, such as temperature and PH. It can also affected by chemicals that specifically influence that enzyme. In condition of low temperature environment, the enzymes activity

Abstract During this lab report our objective was to take a closer look at enzymes. As a group we analyzed the enzyme catecholase which catalyzes a reaction with the substrate. The substrate is called catechol which becomes a product of benzoquinone. Within two lab reports we focused on factors affecting reaction rate with enzymes. We also designed our own original experiment to examine enzymatic activity. Our experiment was to test different PH ranges on enzymatic reaction rate. We used the same

occur to the reaction rate of an enzyme if the temperature, pH level, concentration of a substrate and enzyme were changed. In this experiment, the enzyme catecholase, commonly found in plants, was tested and its product formation, benzoquinone was measured. When the concentration of the reactants such as the enzyme catecholase, and the substrate catechol were tested, the results of product formation increased greatly because the higher concentrations allowed the enzymes to increase their activity rates

Final Applied Lab Project: The effect of low pH on Enzyme Activity Thomas Long Biology 6380: Introduction to Biology (2155) Summer Semester   Final Applied Lab Project Introduction What are Enzymes? Enzymes are proteins that initiate change. The enzymes found in the human body are naturally occurring. They catalyze, or accelerate, all normal biochemical reactions in the body. Enzymes are responsible for all metabolic functions and many are vital for life itself. These proteins are highly specific

Chemical reactions happen in every cell in an organism and enzymes are very helpful and sometimes imperative for these reactions. Enzymes are biological catalysts with the purpose of increasing the rate of reaction of the chemical reactions happening inside the body (Castro, 2014). Enzymes are typically proteins which means that they are made up of polypeptide chains which take their shape using hydrogen bonds. Enzymes work by optimising the conditions for a reaction to take place and it is required