IB SL Biology Lab Molecular Biology: Transformation and Electrophoresis Christina Qi 2/16/07 Aim: How can a plasmid be engineered to include a foreign piece of DNA and how does gel electrophoresis separate DNA molecules present in a mixture? Hypothesis: If the pGLO plasmid is inserted into competent Escherichia coli cells‚ then the transformed bacteria will be resistant to ampicillin and will glow green under UV light. If samples of DNA are cut using certain restriction
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Fast Food‚ Fat Food Nowadays‚ fast food is a very popular trend in Thailand. Teenagers think it is very smart when they go into the fast food restaurant‚ especially‚ the restaurant which is a part of foreign franchise restaurants. Not only teenagers that like fast food but also children and adults. In the busy schedule of modern times people have no time to prepare nutritious food during the day so fast food becomes a very convenient choice. However‚ there are several health issues related to consuming
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the reaction if say the concentration of a reactant is doubled ? the rate law will help us answer such equations. Another way to affect the rate of a reaction is to change the temperature. We refrigerate food to slow the rate of bacterial metabolism that can cause food to spoil. If we want food to cook faster‚ we increase the heat. We also look at why some reactions seem to need a “kick start‚” although once started‚ they continue to react. We will examine the activation barrier to reactions and
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Abstract The primary focus of this lab was on microscopy and simple stains. Crystal violet and Carbol fuchsine‚ simple staining components‚ were used to stain the slide in order to see the different microbes in order to determine their cellular shape and identify unknown ones by comparing. Introduction Bacterial cells are usually colorless because cytoplasm‚ for the most part‚ is transparent. Since the bacteria are colorless‚ it is almost essential to add a stain to make the bacteria more visible
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Moment of Inertia and Rotational Motion Garret Hebert PHY 2311 Tues 1:00 garret.hebert@hindscc.edu Abstract: During this lab we will study what rotational Inertia is and how different shapes of masses and different masses behave inertially when compared to each other. We will specifically study the differences of inertia between a disk and a ring. We will use increasing forces to induce angular acceleration of both a disk and a ring of a certain mass. We will then then measure the differences
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Welcome to WritePoint‚ the automated review system that recognizes errors most commonly made by university students in academic essays. The system embeds comments into your paper and suggests possible changes in grammar and style. Please evaluate each comment carefully to ensure that the suggested change is appropriate for your paper‚ but remember that your instructor’s preferences for style and format prevail. You will also need to review your own citations and references since WritePoint capability
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Food1120 Lecture: Foods in the News Patrick Spicer p.spicer@unsw.edu.au APril 16‚ 2014 Topic: contemporary coverage of food topics • Your area of study is central to people’s lives and will thus be a regular topic of conversation and news. • As a trained scientist‚ you will have knowledge and experience these people don’t. You must use it well for your own benefit and others’. • We will talk today about how to read and assess news coverage of food and other scientific
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First‚ the buffer was prepared by using the formula as follows: Figure 1: Calculation for prepare 0.1 M potassium phosphate buffer at pH 6 3.4007g of potassium phosphate was weighed and placed in 300 mL beaker. Then‚ 125 mL of water was added into the beaker that contained potassium phosphate. The mixture was dissolved using the stirring rod‚ and then the magnetic stirring bar was placed in the beaker for further dissolve when measuring the pH. The pH meter was used to measure the solution
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TO: Roger Bourret‚ Teacher FROM: Brian S. James‚ Student DATE: May 16‚ 2013 SUBJECT: W3 Writing Assignment #3 Process Explanation HOW TO COLOR YOUR HAIR WITH KOOL-AID I am going to teach you how to color your hair by using Kool-Aid. Make sure when using Kool-Aid‚ you don’t use the pre-sweetened Kool-Aid‚ for it will make the hair very sticky. First‚ I am going to have you put on gloves to prevent staining. If you don’t want to wear gloves‚ be aware that your skin may stain but that
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during the acid-fast procedure‚ they are able to retain the primary dye even when decolorized by a powerful solvent known as acid alcohol. Most other bacterial genera are easily decolorized by acid alcohol. Ziehl/Neelsen Acid-Fast Staining Procedure In later years‚ Ehrlich’s technique was improved upon by two microbiologists‚ Ziehl and Neelsen. Like Ehrlich‚ Ziehl and Neelsen’s procedure requires heat to force the primary dye through the cell wall. Another microbiologist‚ Kinyoun‚ developed a
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