society benefits from microorganisms in many ways. Microorganisms are necessary for the production of antibiotics‚ vitamins‚ vaccines and food such as bread and cheese. Dues to its important role in society the study of microorganisms‚ Microbiology‚ has become widespread. Microorganisms collected for study can be grown and visualized in both liquid and solid growth media. The purpose of the media is to provide all of the necessary nutrients for microorganisms to live and reproduce. Although the reproduction
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Plant Pigments and Photosynthesis Problem: We are going to separate and identify pigments and other molecules from cell extracts through a process called chromatography. We will also test the theory that light and chloroplasts are required for light reactions to occur. Background: Pigments are chemical compounds which reflect only certain wavelengths of visible light. This is what makes them seem colorful. Many things contain pigments including flowers‚ corals‚ and even skin. More important than
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Bacterial Transformation Lab Report Backround: The plasmid pGLO contains an antibiotic-resistance gene‚ ampR‚ and the GFP gene is regulated by the control region of the ara operon. Ampicillin is an antibiotic that kills E. coli‚ so if E. coli‚ so if E. coli cells contain the ampicillin-resistance gene‚ the cells can survive exposure to ampicillin since the ampicillin-resistance gene encodes an enzyme that inactivates the antibiotic. Thus‚ transformed E. coli cells containing ampicillin-resistance
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Spectrophotometer” lab was to use a spectrophotometer to find the relationship of concentration and absorbance obeying the Beer-Lambert law‚ which states concentration and absorbance are directly related‚ to then further determine the concentration of three unknown solutions. With the assumption that the solutions obey the Beer-Lambert law it is predicted that as concentration increases‚ absorbance will increase as well. A spectrophotometer is a device that uses a light source of all visible light along with
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The Microscope Lab Brandy Talley PRCC Biology Lab Online June 13‚ 2013 Purpose: The purpose of this lab is to learn about different types of microscopes that we use today‚ learn the parts of the microscope‚ and how to properly use a microscope by exploring various slides. Materials: *Microscope *Letter “e” slide *Onion root slide *Bacterial capsule slide *Cheek smear slide Lab Notes: 1.What is the difference between a compound
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CHM151LL Laboratory Report Form Fall 2011 Title: Project 5: SPECTROPHOTOMETRIC ANALYSIS OF A PENNY Date Run: 04/03/2012 Date Submitted: 04/15/2012 Grade: _____________________ Objectives: The purpose of this experiment is to use spectrophotometry to determine the percentage of copper in a copper-clad penny‚ and to determine the thickness of copper layer on the copper-clad penny. Introduction: In the spectrophotometric analysis of a penny lab‚ we will be conducting three
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nitrogen oxide. The production of a gas makes this a gas formation reaction as well. It is also important to note that NO2 is one of the main contributors of air pollution. Then‚ the first step of the cycle was complete once the solution turned to a light blue color as copper nitrate. For the second step of the cycle‚ copper nitrate with the addition of sodium hydroxide is altered to form copper hydroxide. The balanced equation was Cu(NO3)2(aq) + 2 NaOH(aq) -> Cu(OH)2(s) + 2NaNO3(aq) while the total
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Formal Scientific Lab Report Osmosis Katy Hunter 10-26-2012 Abstract: The objectives of this lab was to be able to create models of cells with the dialysis tubing to show us how the plasma membrane is selectively permeable‚ to study the effects of osmosis on a model cell‚ and to foresee the effect of solute concentration on osmosis. In order to achieve these objectives‚ we had to fill the dialysis tubing with either water‚ or different amounts of sucrose. We then tied off the tubes and put
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Alhia Harris October 18‚ 2011 Biology Lab report Proteins are very important throughout the body. They have a lot of functions in cells. Antibodies are proteins that help cells rebuild the cells when they are destroyed. Transport proteins move substances from one place to another. Regulatory proteins control cellular metabolism in a way that cells throughout the body can have the right amount of glucose in the blood. A common protein is an enzyme; in cells they speed up chemical reactions. For
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I can model Photosynthesis with The Law of Conservation Of matter and The Law of Conservation of energy. I know this because of the articles i’ve read the articles are Discovering the secrets of Photosynthesis‚ Joseph Priestley‚ Discoverer of Oxygen and Photosynthesis: Yucky chemistry Details. Photosynthesis is a good example of the Law of conservation of Energy because in the process of Photosynthesis the radiant energy is absorbed by the plant. The radiant energy is then turned into chemical
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