Understanding How Concentration, Temperature, and PH Affect the Rate of Enzyme Reactions Tulsa Community College Abstract When the enzyme concentration increases, the rate of reaction will increase because there are lots of enzymes present to aid break down the substrate. However, a point will...
How Concentration Increases the Rate of Reaction between Magnesium & Hydrochloric Acid _Mai Lynn Voldum 3.u._ Aim: To investigate how the concentration of hydrochloric acid affects the rate of reaction between magnesium and hydrochloric acid using the mean of collecting the amount of hydrogen released...
Practical Work: Rate of Reaction Investigating how the rate of reaction is affected by the concentration of liquid reactants. Background information: The rate of reaction for a reactant or product in a particular reaction is defined as how fast or slow the reaction takes place. This experiment...
Varying Enzyme Concentration On The Breakdown Of Hydrogen Peroxide In The Presence Of Catalase Grade: 18/18 Words: 3000 Hypothesis – Hydrogen peroxide will breakdown to oxygen and water in the presence of Catalase. The reaction will increase with increasing enzyme concentration when molecules of...
DOES CAFFEINE EFFECT HEART RATE? HYPOTHESIS I predict that caffeine will increase the heart rate of the daphnia compared to the control (distilled water in my investigation). Caffeine is a stimulant which in some respects acts very similar to the way that adrenalin works in our bodies, caffeine...
biological reactions Lab report BIOL 1003 Lab #3 Student number: 100978172 Student name: Chenying Dai Lab section #3 Partner: Katherine Cho 2014/11/02 Introduction Enzymes are protein catalysts, which are not consumed during the reactions, the reaction does not affect the chemical...
the first hour after smoking marijuana. The researchers suggest that such an outcome might occur from marijuana’s effects on blood pressure and heart rate and reduced oxygen-carrying capacity of blood. Within a few minutes after smoking marijuana, the heart begins beating more rapidly and the blood pressure...
Background Enzyme Structure and Function Certain chemical reactions, necessary to sustain the life of a cell, must be carried out quickly and efficiently. A cell cannot depend on the possibility that random events will cause the necessary reaction to occur that will keep it alive; therefore, cells employ...
(Torr 19). Alcohol is a drug, a depressant, or sedative drug that tends to slows delay the functions of the central nervous system (Richards 8). It affects people’s immediate behavior and can cause lasting effects if it is consumed in large quantities over a period of time (Richards 8). This prolonged...
bind At the other end there is an anti-codon which is complementary to the codon which codes for the next amino acid in the polypeptide sequence How translation occurs 1. The first codon of the gene is always AUG, the tRNA’s anticodon then forms hydrogen bonds with the mRNA’s codon 2. The amino...
ANAEROBIC RESPIRATION: THE EFFECT OF pH ON THE RATE OF FERMENTATION IN YEAST Andrew Weaver 3/22/13 BYS 119-3L Lab Partner: Brandon Laue Introduction The results of an experiment to determine how pH affects the fermentation rate of yeast will be discussed in this lab report. The fermentation...
not more than four) are taken at higher level (HL), and the others are taken at standard level (SL). The IB recommends 240 teaching hours for HL subjects and 150 hours for SL. Subjects at HL are studied in greater depth and breadth than at SL. At both levels, many skills are developed, especially those...
to the psychological problems, research has found that internees can suffer from nightmares, anxiety (Schreuder et al, 2000), hyperactive startle reactions, emotional numbness and intrusive thoughts (Fredrickson et al, 1984). The physical problems that research investigations have highlighted internees...
of, cytochrome P450 isoforms (enzymes). Absorbed oseltamivir is primarily (90%) eliminated by conversion to oseltamivir carboxylate. Plasma concentrations of oseltamivir declined with a half-life of 1 to 3 hours in most subjects after oral administration. Oseltamivir carboxylate is not further metabolized...
Research Question: How will the concentration of the Hydrogen Peroxide affect the rate of reaction with a constant amount of Manganese Oxide? Aim: To find the relationship between the concentration of Hydrogen Peroxide and the rate of reaction with a constant amount of catalyst, Manganese Oxide...
summary of each one. Name of practical and independent & dependent variables Effect of caffeine on Daphnia heart rate Independent: caffeine concentration Dependent: heart rate of Daphnia Measuring the content of Vitamin C in fruit juice Independent: fruit juice Dependent: volume of juice ...
Appropriate Research What is a chemical reaction? A reaction can be classified as a chemical reaction if the molecular/ionic structure of a substance is rearranged or changed. In the experiment that I am conducting (Vinegar and bicarbonate soda) the acetic acid in the vinegar reacts with the...
Michaelis-Menten relationship. This was carried out by observing the effects catalase had on graded concentrations of hydrogen peroxide with the use of a proxy. After observing the reactions among differing concentrations of hydrogen peroxide and recording the results, it was found that the data did not fit into...
Enzymes are natural catalysts that change the rate of chemical responses and brings down the activation energy (Biology Department, 2015). This permits, the particles to accelerate and modify their surroundings, by a decline or increment in temperature and pH level (Biology Department, 2015). Additionally...
Reaction to Article: “If We Are So Rich, Why Aren’t We Happy?” In this article, Csikszentmihaly uses a clear method of research: data collection. The data in the article was collected from different sources, which ranged from philosophical theories that described different aspects of “happiness”...
Investigating the Cause of Global Warming Many people disagree on the issue concerning global warming. Some believe that human activities, various forms of polluting, are the main cause of global warming. Others think that not only have humans not affected the planet by any significant amount, but that...
Ccal to Find Changes in Enthalpy and Heat of a Reaction with Different Concentrations and Volumes Abstract The purpose of this lab was to investigate the heat energy changes that occur during an acid-base reaction and relate it to enthalpy of reaction by first creating two different structured calorimeters...
kilometers from the earth's surface. The dioxide molecule, O2 and Oxygen atom O, collide with each other result in the formation of Ozone, O3. In this reaction, the molecule O3 contains an excess of energy. Once the molecule is formed, it is not stable enough to last long. The energy-rich O3 molecules discards...
ANAEROBIC RESPIRATION IN YEAST Investigating THE AIM The aim of the experiment was to see which types of food respire the most efficiently. INTRODUCTION Bacteria and yeast have been used for thousands of years in the preparation of food such as bread, cheese, yoghurt, alcoholic drinks and vinegar...
Abstract: The purpose of the enzyme reaction lab was to see how enzymes reacted when effected by different acids. To start this procedure, we labeled four test tubes A, B, C, and D. Second, we poured .5 mL into all four test tubes. Then, we poured .5 mL of pH 2 into test tube B, .5 mL of pH 7 into...
hydrogen peroxide an enzyme or a substrate? What enzyme in potato breaks down hydrogen peroxide? Investigating the Effect of the Enzyme Catalyse On ... www.123helpme.com/view.asp?id=148896 Investigating the Effect of the Enzyme Catalyse On Hydrogen Peroxide ... The aim of this experiment is to determine...
The Effect of Caffeine on Heart Rate The aim of this experiment was to test the effect of caffeine on the heart rate of a Daphinia (water fleas). Hypothesis: I prediction for this experiment is that an increase in caffeine on Daphinia will increase the heart rate because caffeine is a stimulant drug that...
limited temperature range Identify the role of enzymes in metabolism Enzymes are protein molecules. They are catalysts that increase the rate of chemical reactions that occur in living organisms. Without enzymes metabolism would be so slow that insufficient energy would be available to maintain life...
Pennsylvania 1. INTRODUCTION Human activities, such as burning fossil fuels, release into the atmosphere two short-lived pollutants that affect global climate – ozone and aerosol particles. Although ozone plays a crucial role in protecting Earth’s surface from ultraviolet radiation, it is a...
a tissue and you have found that the extract speeds up the rate of a particular reaction. What kind of information would you need to demonstrate that the substance responsible for increasing the rate of this reaction is an enzyme? Explain how this information would indicate that the catalytic effect is...
Concept 8.1 An organism’s metabolism transforms matter and energy, subject to the laws of thermodynamics. • The totality of an organism’s chemical reactions is called metabolism. • Metabolism is an emergent property of life that arises from interactions between molecules within the orderly environment...
sunlight or chemicals that use energy. Heterotrophs- Organisms that rely on other organisms for energy and food supply. Four different levels of Heterotrophs Herbivore- Obtain energy by only eating plants, example: Cow, caterpillars and deer. Omnivores-eat both plants and animals...
Affecting Rates of Reaction Thanks to Michelle Craig Manitoba Curriculum Chemistry Grade 12; Kinetics, Topic 3-08 Objectives To design short experiments to investigate and explain qualitatively using collision theory the relationship between reaction rate and temperature, concentration, catalyst...
Enzymes: • facilitate making and break down of polymers • specialized macromolecules which speed up chemical reactions • Monomers: • dehydration reaction: monomers connected by reaction in which 2 molecules are covalently bonded to each other, with the loss of a water molecule • when bond forms...
which is random molecular motion. 3).What are endergonic reactions? = An energy- requiring chemical reaction, which yields products with more potential energy than the reactants. exergonic reactions? = An energy-releasing chemical reaction in which the reactants contain more potential energy than the...
second graph I’ve drawn, we can clearly see that when the concentration of the Sulphuric Acid increases, the rate of reaction is also faster. This situation can be easily explained via the collision theory. Since there are more concentration in the acid, this means that there are more particles in the...
DSE141 TMA02 Compare and contrast the approaches of Skinner and Harlow to investigating influences on behaviour Investigating influences on behaviour has been a key objective of psychological research over many years culminating in several critically acclaimed theories and models. Employing different ...
Amount, rate, volume, tone, pressure, mutism, slurring, or stuttering. Degree of concentration and attention span Orientation: To time place, person, and level of consciousness Memory: Immediate recall, recent, remote, amnesia, and confabulation Intellectual functioning: Educational level, use...
experiment is to determine how the variation of concentration has an affect on the rate of a chemical reaction. In this experiment we will be taking a look at the reaction between magnesium and hydrochloric acid, and determine the rate law for this particular reaction. The term rate is defined as the change...
Unit 2: Investigating Business Part B: Managing Business Activities Objective: For this part of your assignment you need to produce the following. An explanation of how the business will manage its activities, including the human, physical and financial resources needed and an analysis of...
How does the mass of a potato slice change when it is put into distilled water, tap water or salt water? Background: In this lab we will find out how water with different concentrations affects the mass of a potato slice when the slice is soaked in the water. In this lab the effects of osmosis will...
content in order to counteract the stress response. Because of this, I was wondering if the plant would be more resistant to salt stress when high concentrations of antioxidants were provided to it. Since ascorbic acid (vitamin c) is popular for its antioxidant properties, it was used in this experiment...
Abstract: Alka-Seltzer tablets fizz furiously when dropped into water. The moment the tablet starts dissolving, a Chemical reaction occurs that releases carbon dioxide gas. Summary: What we did was prove that by increasing the water temperature we could dissolve the Alka- seltzer tablets faster...
three methods used in purifying enzymes Precipitation The first method of enzyme purification is using the precipitation technique based on salt concentration. Ammonium sulfate is a common solution used in this method. Usually the protein/enzyme solution is brought to a 50 percent saturation with a saturated...
deicer was measured. In solutions, KCl lowered the freezing point of water below zero degrees Celsius, and was seen to increase in magnitude as the concentration increased. The enthalpy of the dissolution was found to be endothermic, meaning it absorbs heat from the surrounding system. Other aspects of KCl...
How Drugs Operate Synapses and How Affect the Brain Indeed, the use and misuse of control substances is a complex phenomenon that has adverse consequences on individual wellbeing, family incorporation, growth and social stability. Although, at present the whole humanity is exposed to drugs, there...
acid crystals are deposited on the articular cartilage joints, tendons and surrounding tissues due to elevated concentrations of uric acid in the bloodstream.This provokes an inflammatory reaction of these tissues. Hyperuricemia is a common feature of gout, so its presence supports a diagnosis of gout....
often get confused about how it is possible for the position of equilibrium to change as you change the conditions of a reaction, although the equilibrium constant may remain the same. Be warned that this page assumes a good understanding of Le Chatelier's Principle and how to write expressions for...
purpose of this lab? The purpose of this lab is to illustrate how environmental factors affect the rate of enzyme catalyzed reactions. 3.What reactions did you observe? I observed the enzyme catalyzing the decomposition reaction of hydrogen peroxide into water and hydrogen gas. I also observed...
Harcourt Essen reaction between hydrogen peroxide, iodide and hydrogen ions First find order of reaction with respect to hydrogen peroxide, iodide and acid using a ‘clock’ reaction. Therefore find rate equation, rate constant and possible mechanism. Then: Find the order of reaction with respect to...
irritation in some individuals from exposure to high levels. 6. Hence the canning industry worldwide and government regulators consider it both desirable and in accordance with good manufacturing practice that measures be adopted to minimise the levels of tin in canned foods, whilst continuing to allow...
for the answer c) how you are going to experimentally test the prediction d) what sort of data you are going to collect from the experiment e) what you are going to do to minimize error (variation) f) how you are going to analyze the data to provide an answer to your question and g) how this analysis answers...
from industrial sources, hazardous waste disposal sites, and accidental spills. Point discharges are generally easy to identify in terms of the types, rates of release, and total amounts of materials released. In contrast, nonpoint discharges are much more difficult to characterize. These include materials...
the year 2031 (Audit Scotland, 2007:36). This case study will examine the complexities of caring for an elderly patient with a long-term condition and how it can impact on the individuals’ quality of life. Firstly, the author will use a life course framework to explore the person’s previous medical history...
Answers Basic Chemistry for Investigating Living Systems Exercise 1: Testing for the Presence of Proteins in Cells Results: Table 1: Biuret Reagent Test for Protein in Cells Test Tube Contains Hypothesis: Contains Protein Yes or No? Final Color Is test substance present/absent? ...
physical cues, such as dress and appearance. They also found that anti-social behaviour order was biased against ethnic minorities. This means that crime rate would inevitably be higher among the ethnic minorities. Cicourel develops this idea and introduces the term ‘typification’ to describe the police stereotype...
How Genetics Can Affect People's Metabolisms with Caffeine Caffeine is the world's most widely used and most addictive drug. It is found in chocolate, tea, and most commonly coffee. People drink coffee to stimulate their brain and stay awake longer or focus better, but it has been discovered that...
INTRODUCTION If our body were to perform or work at its normal rate without enzymes then reactions that happen in our cells like the production of ATP would happen at such a slow rate that our cells would not be able to function properly. An enzyme is a biological catalyst. Anything that involves the...
fourth most abundant chemical element in the universe and forms the building blocks of the living world along with hydrogen and oxygen. In fact, its concentration in the biotic world (living world) is almost 100 times more than that in the abiotic (non-living) world. Other than this, carbon is an important...
which occur simultaneously and have affects on each other. In this video, we focus on children’s physical growth and development. In this video we will examine how children acquire many new gross and fine motor skills as they reach physical milestones. We’ll learn how the reduction of outdoor activities...