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Experiment Essays

Experiment of Enzyme Activity in Washing Powder

Title: Investigation of the amalyse activity f bioactive washing powder Objective: To investigate the amalyse activity of the two brands of bioactive washing powder – “Super clean” and “Magic power”. Principal: Amalyse can catalyse the breakdown of starch into maltose. In this practical, solutions of the 2 washing powders will be filled into 2 identical …

Exercise 4 Act 1

The normal rat had the fastest BMR. 2. Because of the different organs that were removed from the two other rats that would produce certain hormones. My prediction was correct. 3. Thyroxine would be missing in its blood. 4. Thyroxine wouldn’t be released which helps maintain metabolism and body. The hormone levels would be lower …

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Experimenting with the cryopreservation of cells

Introduction: To acquire the consistent results in biomedical research, familial stableness is indispensable and it is achieved via cryopreservation technique. Technique of cryopreservation involves the saving of feasible cells, populating tissues, gametes, embryos, variety meats and besides some beings on chilling at low sub-zero temperatures, characteristically at -196A°C for a drawn-out clip to implement the …

The Ammonia Fountain Experiment

To set the ammonia fountain experiment up I made sure I had all the materials the lab required me to have which was: a Florence Flask, a 600 mL beaker, a Mohr pipet, distilled and tap water, a polyethylene wash bottle, a phenolphthalein indicator, concentrated ammonium hydroxide, sand, a heating mantle, a ring stand, clamps, …

Combined Convection and Radiation Experiments

Abstract The purpose of this report is to present experimental data that demonstrate the relationship between air velocity and surface temperature for a cylinder subjected to forced convection. This experiment will also determine the effects of forced convection on heat transfer from the surface of a cylinder at varying air velocities and surface temperatures. The …

Does Red Lipstick Really Attract Men

 Previous research has demonstrated that the color red increases the attractiveness of women. It has also been found that makeup increases perceived women’ attractiveness for men and was associated with perceived greater interest for the opposite sex. We hypothesized that women wearing red lipstick would be more favorably approached by men. Female confederates wearing red, …

Stanford Prison Experiment to the Atrocities at Abu Ghraib Prison

From August 14 to August 20 of 1971 researchers at Stanford University in California funded an experiment that took regular untrained students and placed them in a prison type setting. Twenty four were chosen, some were designated as prisoners and others as guards. The experiment lasted only six of the planned fourteen day because a …

Friedel-Crafts Alkylation Experiment Overview

Discussion In this experiment, the synthesis of p-di-tert-butyl benzene was achieved by using the Friedel-crafts Alkylation. How the purposes were or were not accomplished For this experiment, 0. 02356 grams of p-di-tertbutyl benzene were recovered. The theoretical percent yield was 0. 616 grams of the product. This gives a 38. 2% yield. The product obtained …

Hydrochloric Acid and Marble Chips Experiment

Hypothesis: The higher the concentration of hydrochloric acid, the faster the reaction will take place because there will be more hydrochloric acid particles to collide with the marble chip particles therefore resulting in a quicker reaction. The lower the concentration, the weaker the reaction will be as there will be fewer particles so less chance …

Beetroot Experiment

The aim of the experiment that was carried out was to see, at what temperature and in which standard solution, does the amount of dye left in the boiling tube had the highest percentage transmission. Beetroot was used for the experiment because it was easier to see the dye after the practical was completed. Putting …

The Milgram experiment

The Milgram experiment The Milgram experiment came about by a Yale University psychologist by the name of Stanley Milgram. The experiment was to test how well the study participants were and the willingness of study participants to obey an authority figure who instructed them to perform acts that conflicted with what they thought was right. …

Maximum Ride: the Angel Experiment

Maximum Ride: The Angel Experiment is the first book in the Maximum Ride series by James Patterson. The book was released in the US on April 11, 2005 and in the United Kingdom on July 4, 2005. The book is set in the near future and centers around the ‘flock’, a group of human-avian hybrids …

Determining the Acid in an Aspirin Tablet

Determining the Percentage of 2-ethanoylhydroxybenzoic Acid in an Aspirin Tablet Introduction and Aim: An Aspirin tablet is an analgesic; therefore the purpose is to relieve pain and due to it also being an antipyretic its other tenacity is to lower the body temperature.

Meal Worm Cellular Respiration Experiment

Meal Worm Cellular Respiration Experiment Introduction Cellular respiration provides energy to all living organisms by collecting energy from food molecules. The cell then rearranges complex molecules to simpler molecules and uses that energy to make a molecule that stores energy called adenosine triphosphate also known as ATP. Cellular respiration can occur with or without oxygen. …

The Role of Post-Event Suggestion in Creating False Memories

Влияние внушения после события на память: экспериментальная процедура Лофтуса (Loftus & Palmer, 1974)             С начала 1970-х годов Лофтус и ее коллеги изучали роль внушения после события в создании ложных воспоминаний – открытие, которое теперь называют «эффектом дезинформации» (Loftus, 1997, стр. 70). В первом эксперименте раннего исследования (Loftus & Palmer, 1974) участники просмотрели короткие (от …

The Stanford Marshmallow Experiment and Delayed Gratification

The purpose of the original marshmallow study was to understand when the control of deferred gratification, the ability to wait to obtain something that one wants, develops in children. Deferred gratification, or delayed gratification is the ability to resist the temptation for an immediate reward and wait for a later reward. Generally, delayed gratification is …

Rosenhan Experiment

Rosenhan experiment The Rosenhan experiment was an experiment into the validity of psychiatric diagnosis, conducted by David Rosenhan in 1973. The study is considered an important and influential criticism of psychiatric diagnosis. Rosenhan’s study was done in two parts. The first part involved the use of healthy associates who briefly simulated auditory hallucinations in an …

Shake Flask Fermentation

Table of Contents Abstract Introduction Aims Theory Apparatus Procedure Result Calculation Discussion Conclusion Recommendation References Abstract In this experiment, Escherichia coli is used as a sample to study the growth kinetic of microorganism in shake flask. A different volume of E. coli was transferred into 250ml Erlenmeyer/shake flask containing media for the nutrient of microorganism. …

Osmosis Tuber Experiment

Biology 1208 Formal Writing Assignment 2 I certify that the writing in this assignment is my individual work and is my intellectual property. It does not contain the ideas or writing of other individuals/authors. Author: Date: March 22, 2012 Lab Section: 5 Lab Topic: Sucrose Effect on Potato Tuber Cells Test question: How does sucrose …

Conclusion of Color Experiment

Conclusion The purpose of our experiment was to determine if reading off words in various colors helped improve memory. Our hypothesis was that color helped memory and it was in fact proven by our experiments. According to data table 2, the average words remembered by the white control group was 6.4, while the other groups …

INT Task 3 Acid experiment

INT Task 3 In this paper I will be addressing how to tell an acid from a base using a simple experiment that can be done in the household. Telling an acid from a base is very important in the world from people that may have a pool in their backyard to those who are …

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