"Lab Report On The Extraction Of Onion Dna" Essays and Research Papers

  • Lab Report On The Extraction Of Onion Dna

    Tan 1 DNA EXTRACTION Aim : To extract the DNA from an egg yolk using various enzymes and to compare with other groups the most effective way to extract DNA. Hypothesis : To be able to observe white springy substances after mixing with enzyme and alcohol. Apparatus : -Test tube, spatula, glass rod, dropper, beaker, test tube rack, skewer. Materials : - 1 egg, meat tenderizer, salt, water , soap, isopropyl alcohol 91%, pineapple juice. Variables : Manipulated Variable : Responding...

    Cell, Concentration, DNA 1627  Words | 7  Pages

  • Extraction of DNA from onions

    EXTRACTION OF DNA FROM ONIONS ABSTRACT The purpose of the experiment was to experience firsthand the isolation of DNA form a plant tissue without destroying its structure and sequence. A white onion was used for the experiment. After several processes, DNA isolate was the visible result. Different chemical tests were performed on the DNA isolate, namely: Dische Test, Murexide Test, Wheeler-Johnson test and Test for Phosphate. Visible results were then noted. INTRODUCTION DNA (deoxyribonucleic...

    Bacteria, Cell, Cell membrane 1457  Words | 6  Pages

  • DNA extraction lab

    DNA Extraction of a Musa acuminata Biology Lab Report \Analyze and Interpret A number of steps are required to isolate DNA from cellular contents. Describe what happens at each step, and why it acts to separate the parts of the cell. /6 There are three specific steps required to isolate DNA from its cellular contents. The steps used to remove and expose DNA from its cell are: breaking down the food type you are using by crushing it, for example a banana or strawberries, exposing the substance...

    Bacteria, Cell, Cell membrane 1830  Words | 3  Pages

  • Dna Extraction Lab

    DNA Extraction Lab Problem Statement: Do you think you have ever eaten DNA? Background Information: DNA is too small to see under a regular microscope, so how can it be studied? DNA is a large molecule found in all living things; therefore it is possible to extract it from cells or tissues. All we need to do is disrupt the cell’s plasma membrane and nuclear envelope, make the DNA clump together and - voila! - DNA extraction is possible. DNA extractions from onion, bananas, liver, or wheat...

    DNA, DNA replication, Gene 1674  Words | 6  Pages

  • Dna Extraction

    DNA Extraction DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus where it is called nuclear DNA, but a small amount of DNA can also be found in the mitochondria where it is called mitochondrial DNA or mtDNA. (U.S. National Library of Medicine, 2012) Although DNA was discovered earlier, there still remains a lot to be known about it, especially how it...

    Bacteria, Cell, Cell nucleus 1070  Words | 4  Pages

  • Onion Dna Extraction

    maintain an environment in which the DNA will not be degraded and to help separate the DNA from other cell components. Tris maintains a constant pH. EDTA chelates metal ions. NaCl provides Na+ ions that will block negative charge from phosphates on DNA. 3. Negatively charged phosphates on DNA cause molecules to repel each other. The Na+ ions will form an ionic bond with the negatively charged phosphates on the DNA, neutralizing the negative charges and allowing the DNA molecules to come together. ...

    Biochemistry, Cell, Cell membrane 761  Words | 3  Pages

  • Strawberry Dna Extraction Lab

    Strawberry DNA Extraction Donovan Roberts Mrs. Caudill Honors Biology 3/7/11 Introduction The structure of DNA is made of nitrogenous bases, phosphate groups, and sugars. These three parts of DNA form hydrogen bonds and create a right-handed double helix. The location of DNA in a eukaryotic cell is found within the nucleus, bound to proteins. DNA can be extracted from within the cell. They are several steps you must take to retrieve DNA from within the cell. When extracting DNA cells can...

    Bacteria, Cell, Cell nucleus 667  Words | 3  Pages

  • DNA Extraction

    Laboratory Report August 28, 2013 DNA Extraction on Onion (Allium cepa) and Human Cheek Cell Arriza, Rolland Merch Buscato, Carl G. Butil, Conrad G. Leonida, Renee Theresa ABSTRACT This activity observes the DNA present in onion (Allium cepa) and human cheek cells by extracting it with the addition of lysis buffer and chilled ethanol. The lysis buffer is prepared from squeezed onion mixed with salt and Pantene Pro-V Shampoo. The buffer degrades the protein enveloping the DNA found in...

    Bacteria, Cell, Cell membrane 1036  Words | 5  Pages

  • Dna Extraction Lab

    DNA Extraction Lab Purpose: To compare the amount of DNA extracted from two different species, despite using the same method. Hypothesis: I predict that the liver will produce a higher quantity of DNA than the strawberry. This is because I believe that animals have a higher DNA yield because our structure is more complex than a plant’s structure. Materials: -Sample of Strawberries -Zip lock bag -DNA extraction buffer -Cold ethanol -Glass rod -Double ply cheese cloth -Two test tubes...

    Cell, DNA, DNA extraction 962  Words | 3  Pages

  • Dna Extraction

    Objective : To extract the DNA from onion samples. Introduction : Nuclues has DNA molecule in it. It is packaged into thread like structure known as chromosomes. Each and every chromosome is made up of DNA tightly coiled many times around proteins which is known as histones. Histones supports the structure. Chromosome cannot be visible even under the microscope if the cells are not dividing. DNA consist of 2 long polynucleotide which is composed of 4 types of nucleotide units. Nucleotides...

    DNA, Gene, Genetics 2233  Words | 7  Pages

  • Lab Report Banana Dna

    LABORATORY REPORT BIOLOGY CELL AND GENETICS (SB10203) TITLE: DNA Extraction from Banana DATE OF LABORATORY: 03/05/2013 LECTURER’S NAME: DR. LAM NYEE FAN DEMONSTRATORS’ NAME: MISS NOR EZANI AHMAD MISS LUSIA BAREK MOSES LABORATORY ASSISTANT NAME: MISS ROSILAH MOHD IDRUS STUDENT NAME AND MATRIC NUMBER: ELYAS ERIC HUIL(BS12110134) BONG SIN NENG(BS12110054) EDILAH NADRAH JOHANY( DIASSOFIA PAULA FRANKIE INTRODUCTION DNA is present in the...

    Base pair, Cell, Cell nucleus 980  Words | 4  Pages

  • Extracting Onion Dna

    Extraction of DNA from an Onion Molecular biologists and biochemists are involved with research in finding out as much as possible about the DNA in plants. DNA was discovered in the 1950’s, there still remains a lot to be known about it, especially how it is used to determine the physical traits that we all have, and how it regulates the workings of the body. deoxyribonucleic acid is a chemical, we can do reactions with it just like we can work with any other chemical. Experiment: Note: ...

    Buffer solution, Carbonic acid, Chemical polarity 1346  Words | 4  Pages

  • DNA Extraction Lab Report

    Biotechnology Lab Report Lab: Extracting DNA from Bananas and Strawberries Purpose: To properly and successfully extract DNA from various fruits using cell disruption and separation techniques. Materials Used: 2 heavy duty zip-lock baggie 1 strawberry (fresh or frozen and thawed) 1 banana half 10 ml DNA extraction buffer* 2 Coffee filters Ice cold 95% ethanol 1 small beaker 2 Test tubes Wooden coffee stirrer *To make the extraction buffer, 100 ml of shampoo (without conditioner) was mixed...

    Bacteria, Cell, Cell membrane 549  Words | 2  Pages

  • DNA EXTRACTION

    learned from studying an organisms DNA. The first step to doing this is extracting DNA from cells. In this experiment, you will isolate DNA from the cells of fruit. Materials (1) 10 mL Graduated Cylinder(2) 100 mL Beakers15 cm Cheesecloth1 Resealable Bag1 Rubber Band (Large. Contains latex pleasewear gloves when handling if you have a latex allergy).Standing Test TubeWooden Stir StickFresh, Soft Fruit (e.g., Grapes, Strawberries, Banana, etc.) ScissorsDNA Extraction SolutionIce Cold EthanolYou Must...

    Adobe Creative Suite, Adobe Photoshop, Alcohol 1209  Words | 3  Pages

  • Dna Extraction

    to avoid cross contamination * Shake well * Centrifuge for 10 minutes DNA extraction takes place from the nuclei of leukocytes. EDTA is simply an anticoagulant {otherwise if blood clots; DNA extraction will not be possible}. We rely on EDTA because it doesn’t interfere with later analysis such as diagnostic tests or molecular research. In this experiment we follow a series of steps in order to extract the DNA from the nucleus; this is done by: * Cell lyses using hypotonic solution....

    Cell, Cell membrane, Cell nucleus 911  Words | 3  Pages

  • The Dna Extraction

    of DNA. Salt is used at a high molarity due to the fact that it precipitates all of the proteins out. DNA is insoluble in low molar salt solutions but soluble in low molar salt solutions thus keeping the DNA in solution. 2. blending the onion will homogenize the mixture and it helps with the breakdown of the cell walls. Blending saves one the time and effort of using a motar and pestle, however it may break a lot of the DNA which is not favourable as one needs a lot of DNA for the extraction. ...

    Bacteria, Cell, Cell membrane 1235  Words | 3  Pages

  • DNA Extraction Lab Report

    ​ Djina Jan-18-15 Lab #6 - DNA Extraction lab Introduction:  DNA is a double stranded macromolecule composed of nucleotide bases pairing Adenine  with Thymine and Cytosine with Guanine. S​ ince DNA is the blueprint for life, every living  thing contains DNA. The extraction of DNA from cells and its purification are of primary  importance to the field of biotechnology and forensics. Extraction and purification of DNA  are the first steps in the analysis and manipulation of DNA that allow scientists to detect ...

    DNA 1241  Words | 5  Pages

  • Lab report: Extraction

    Lab report for Experiment #2: Extraction Your Name: Name of TA: Lab Partner’s Name: Lab Section: Title: Experiment #2: Extraction Purpose: What is the purpose of this lab? In your OWN words! Observations: Weighed out 3.2568 grams of chemical mixture that was yellow in color. Dissolved dry chemicals in 38 ml CH2Cl2 with gentle heating. Poured the yellow solution into sep funnel. Added 10 ml CH2Cl2 to flask to rinse, poured solution into sep funnel. Added 15 ml 3 M...

    Acid, Acid–base reaction, Alkali 815  Words | 4  Pages

  • Dna Lab

    The investigation on the average mass of DNA with the mass of banana, strawberry and kiwi. Purpose: The purpose of this lab is to investigate the comparison between the amount of DNA per gram of fruit that can be extracted from a banana, strawberry and kiwi and to determine which one has more DNA. Hypothesis: The banana genome contains 837 MBPs and the strawberry genome contains 206 MBPs and the kiwi genome contains 128 MBPs. This states that there are more base pairs in a banana genome...

    Accessory fruit, Banana, DNA 1400  Words | 5  Pages

  • Dna Extraction

    DNA EXTRACTION In extracting chromatin from the cells of wheat germ there are seven steps to follow. The optimal cell to use would be the polyploidal eukaryotic. Eukaryotes have nucleus membrane-bound organelles, while prokaryotic does not. The polyploidal eukaryotic cell has DNA that is held in the nucleus while the prokaryote has DNA that floats freely around the cell. The DNA of eukaryotes is more complex and extensive than the other. Prokaryote is a bacterial cell that...

    Bacteria, Cell, Cell nucleus 608  Words | 4  Pages

  • Extraction Lab

    Experiment 2: Extraction – Evaluation Summary Labs reports must be typed and chemical structures must be drawn with ChemDraw. Report must not exceed three pages (including this page). Page limit does not include any attached spectra or references. ** Deductions for hand written report/structures and exceeding page limit ** Report Breakdown Data/Results: _________________ /10 Discussion: _________________ /10 Report Total: _________________ /20 Other Lab Marks Performance:...

    Chemical polarity, Ethanol, Fatty acid 501  Words | 3  Pages

  • Dna Extraction of Banana

    How to get DNA from Banana Extraction I. Introduction DNA is found in all living cells. A polymer looks like a ladder that has been twisted in a helical form. . The sides of the ladder are acknowledged as the backbone of the DNA helix, and are involve of replicating sugar and phosphate units. DNA has a very important responsibility in the cell, as it encodes for all cellular proteins. s. The proteins expressed in a cell classify the distinctiveness of the cell, and organisms are compilation...

    Bacteria, Cell, Cell wall 1754  Words | 6  Pages

  • Strawberry Extraction Lab

    Berry DNA Extraction Lab I. Problem Statement: Successfully extracting the DNA from strawberries. II. Background info: DNA is the genetic information in organisms that codes for proteins, and controls the cells function. The DNA is a double helix molecule that is formed by various nucleotides which include Adenine, Thymine, Guanine, and Cytosine with sugar phosphate. Different organisms can have larger or smaller genes. DNA is also what makes up chromosomes during cell replication. Strawberries...

    DNA, DNA nanotechnology, Eye 745  Words | 3  Pages

  • Dna Extraction

    Introduction DNA (Deoxyribose Nucleic Acid) is a nucleic acid that has many names, each representing the phases that it undergoes (chromosomes, chromatin, genes/alleles); it resides in the nucleus (bound by 2 *phospholipid bilayers) of almost every cell in the body (red blood cells being an exception). DNA (your genotype) is double stranded and is responsible for replicating (from 46 to 92) during Interphase, so that mitosis can make new cells, repairing and allowing for growth in the body. It is...

    Base pair, Cell, Cell nucleus 1796  Words | 6  Pages

  • extraction of DNA

    Extraction of DNA Science Fair Project 2013-2014 Produced by Nadia Walker Due Date: Monday January 20th 2014 Presented to Mr. Freimann Date Submitted: Monday January 20th 2014 Table of Contents Introduction page 1 Hypothesis and materials ...

    Chemistry, DNA, Ethanol 440  Words | 3  Pages

  • DNA Fingerprinting Lab Report Form

     Bio 1 Lab: Electrophoresis and DNA fingerprinting Jani Lynette Hagen October 31,2014 U74644799 Electrophoresis is a technique which uses an electric field to separate molecules, allowing for identification and characterization of the molecules. It is commonly used to separate nucleic acids and protein molecules of various sizes. To prepare the gel for electrophoresis the amount of agrose needed must be calculated. For a 0.8 percent gel 0.8 grams of agrose is necessary per 100 ml of buffer. The...

    DNA, Enzyme, Genetics 1085  Words | 8  Pages

  • Dna Extraction from Kiwi

    DNA EXTRACTION FROM KIWI ISGR SCIENCE Aalah Yousif, Ella Sobek April 27, 2012 Background All living organisms (plants, animals, and bacteria) are made up of cells. Any cell consists of many parts but the parts that play the key roles are the nucleus, cell membrane, and cytoplasm. The nucleus is like the “brain” of the cell (that also contains DNA). The cell membrane is like a wall that guards the cell. And the cytoplasm is a jelly-like substance which contains other smaller organelles like...

    Bacteria, Cell, Cell membrane 1273  Words | 4  Pages

  • Strawberry dna lab

    Strawberry DNA lab Extraction Purpose: The purpose of this lab experiment is to see if this particular type of fruit which in this case is a strawberry contains DNA. Using materials such as a Ziploc bag to help keep the entire strawberry in one place while it gets smashed and test tube to help better see the DNA and break down of the liquid in the left over strawberry sediments. Background information: The long thick fibers of DNA store the information for the function of the chemistry...

    Bacteria, Cell, Cell membrane 731  Words | 5  Pages

  • Lab report

    LSM1102 Lab Report Introduction Transformation is a process which involves plasmid DNA being bound to the cell surface and the subsequent uptake of DNA by the cell (Panja et al., 2008). For artificial transformation of E. coli cells with plasmids, plasmid DNA has to be extracted from bacterial cells using the High-Speed Plasmid Mini Kit, which is then mixed with competent E. coli cells followed by heat shock and the streaking of transformed cells on two different types of agar plate (LB and LB+ampicillin)...

    Bacteria, Bacterial conjugation, DNA 1662  Words | 4  Pages

  • Biology Lab Report 5

    Name: Mugabe Rodrigue Class: Grade 11B Subject: Biology Topic: DNA Extraction From Onion Date: 20/1/2014 Introduction: DNA, or deoxyribonucleic acid, is the hereditary material in organisms. Nearly every cell in an organism has the same DNA. Most DNA is located in the cell nucleus.The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). The order, or sequence, of these bases determines the information available for...

    Cell, DNA, Gene 720  Words | 3  Pages

  • Dna Electrophoresis Lab

    DNA Extraction from Wheat Germ and Making an Agarose Gel AIM: To be able to make and agarose gel and perform gel electrophoresis in six different dyes. Also, to extract DNA from wheat germ. INTRODUCTION: Agarose gel is a substance that is used in science for gel electrophoresis and size exclusion chromatography. These processes use agarose gel to separate and analyze proteins and DNA. The medium is composed of a purified agarose powder that has been boiled in a buffer solution and then cooled...

    Agarose gel electrophoresis, DNA, DNA sequencing 1534  Words | 6  Pages

  • Genetic Extraction and Bacterial Transformation

    Lab Report (Scientific Paper) 2: Bacterial Transformation;DNA Extraction Part I & II:Total Genomic Extraction & Plasmid Extraction;Electrophoresis By:Chris Foster Abstract: We conducted three experiments that included a Bacterial Transformation, a two process DNA extraction, and a final procedure using gel electrophoresis. The Bacterial Transformation lab was performed to prepare the plasmid into a bacteria and to use that bacteria to amplify the plasmid in order to make large quantities...

    Bacteria, Bacteriophage, DNA 2180  Words | 6  Pages

  • DNA Extraction from Strawberries; Alcohols

    investigated the amount of DNA extracted from strawberries. This was done by using the independent variable of alcohol to affect the dependant variable of the amount of DNA extracted. This was done to find out if primary or secondary alcohol would create more DNA precipitate than the other. For this the primary alcohols used were; methanol and ethanol, and the secondary alcohol was; isopropyl. Of this the secondary alcohol, isopropyl was discovered to be the most effect alcohol to make DNA precipitate, as it...

    Alcohol, Alkane, DNA 1800  Words | 6  Pages

  • Bio Lab Report

    General Biology I, Fall 2011 Lab Report 3 Name: Luan Nguyen Date: 11-30-11 Lab: Gel Electrophoresis Purpose of this lab: In this laboratory investigation, students will analyze hypothetical human DNA using restriction endonucleases and gel electrophoresis to match samples from a crime scene to a suspect. Introduction: Your analysis unit will use gel electrophoresis to determine the guilty party. Electrophoresis is a technology in science that allows an individual to separate...

    Agarose gel electrophoresis, DNA, Electric charge 655  Words | 3  Pages

  • 301 Virtual Lab Report Template

    Virtual Lab: Cell Cycle Lab (Onion Root Tip) In this virtual lab activity, you will be observing the cell cycle in the tip of an onion root. The root tip is responsible for the downward growth of the root and is one of the regions in the plant where cells are actively dividing and growing. Because of this, the root tip is an excellent system in which to observe the entire cell cycle, including the processes of nuclear division (mitosis) and cell division (cytokinesis). You will be submitting...

    Binary fission, Cell cycle, Cell division 392  Words | 2  Pages

  • Extraction

    Organic Lab Report Extraction Separation of a Carboxylic Acid, a Phenol, and a Neutral Substance Purpose The objective of the experiment is to identify the three substances in the mixture and to determine the percent recovery of each from the mixture. The unknown will consist of either benzoic acid or 2-chlorobenzoic acid, 4-t-butyl phenol. Determine the weight of crystals and also the percent yield Introduction There are various techniques of extractions, solid/liquid...

    Acetic acid, Benzene, Carboxylic acid 550  Words | 3  Pages

  • lab report SBT

    LABORATORY REPORT SBT 1013: INTRODUCTION TO BIOTECHNOLOGY Semester 4 Sessions 2013/2014 ID NUMBER AND NAME 1. SITI NURFATINI BINTI MOHAMAD ROSLAN (E20131007560) 2.NURHAFIZAH BINTI SAMSUDDIN (E20131007584) 3.MUNIRAH BINTI HARON (E20131007556) 4.NORSYAWANI BINTI SUPIAN (E20131007577) LECTURER : CIK FATIMAH EXPERIMENT NO. : EXPERIMENT NO.1 TITLE : EXTRACTION OF DNA DATE & DAY : 24 JUNE 2014 TITLE: EXTRACTION OF DNA OBJECTIVE: Extract DNA from...

    DNA, Ethanol precipitation, Molecular biology 1738  Words | 7  Pages

  • Lab Report

    Chem 105 Guide to the Formal Laboratory Report The purpose of a formal report is to communicate effectively to another person the goal, procedure, data analysis method, and results of your laboratory work. The report is divided into several well-defined sections. Each section must be present in a complete report. To earn an outcome point for the laboratory report, a student must submit a formal lab report that earns a score of at least 90/100. Each error (factual, grammatical, typographical...

    Chemistry, Erlenmeyer flask, Error 1317  Words | 5  Pages

  • Hl Bio Dna Design Lab

    DNA extraction in Watermelon and Bananas Abstract During this experiment the researcher investigated the differing amounts of DNA present in bananas and watermelon. So that the researcher could do this, and accurately record the amounts, the researcher liquefied the fruits in a blender, added water and salt to them, and the added laundry detergent before using contact solution as an enzyme. Rubbing alcohol was then poured into the mixture and the DNA was extracted and...

    Banana, Container, Ester 1101  Words | 5  Pages

  • LAB REPORT

    Institute Physics Course 2014 - Rocket Lab Report Title: RockSim and Electronic Altimeter Measurement Techniques Name: Scarlet Henriquez Email: scarletpatricia94@aol.com LAB SESSION ___8____Assignment _____7_____ Due Date: ___7/8/14______ Objective: Launch a smaller rocket to learn how to compare RockSim predictions (computer based) to an actual instrument measurement carried by the rocket (Electronic Altimeter). This Lab shows how better the electronic measurement...

    Aircraft, Altimeter, Calculation 401  Words | 8  Pages

  • lab reports

    Writing Laboratory Reports Lab reports for Biology may seem different than other classes you have taken. As you progress further in science, you will see variations in styles of lab reports, though they all contain the same basic principles. Lab report sections are as follows: Cover Page Introduction Objective Materials and Procedures Results/Data Conclusions Works Cited **Not every lab report will contain every section. I will give you specific instructions for each lab write-up** ...

    Scientific method 1210  Words | 5  Pages

  • BIO DNA LAB

    DNA Lab Report SungYong Jang What is DNA? What do the letters stand for? What is it composed of? Where is it found? What is it shaped like? Answer in full sentences. It is the genetic material that can be passed on from parent to offspring  DNA --> Deoxyribonucleic acid It composed of Deoxyribose (5 carbon sugar), a phosphate and a Nitrogonous base (the 4 N-bases are Guanine, Cytosine, Adenine and Thymine) It is a double helix (looks like...

    DNA, Francis Crick, Gene 810  Words | 4  Pages

  • Extraction of Trimyristin From Nutmeg Lab Report 092614 Organic Chemistry

    Organic Chemistry I – CHEM 201-DL01 September 26, 2014 Organic Chemistry Experiment 4B Lab Report Extraction of Organic Compounds From Natural Sources: Extraction of Trimyristin From Nutmeg Introduction The purpose of this experiment is to illustrate how a solid natural product can be extracted from its natural source through the use of an organic solvent. Natural products are organic compounds that are synthesized by natural biological processes in plants, animals...

    Chemical compound, Chemistry, Experiment 682  Words | 3  Pages

  • Caffeine Extraction from Tea Pre Lab Report

    it increases the rate of evaporation of the solvent by reducing the pressure to lower the boiling point of the solvent, rotating the sample to increase the effective surface area and heating the solution. (6) 7. When performing a liquid-liquid extraction, the separatory funnel should be (c) 3/4 full. 8. List two things you should do before pouring liquid into a separatory funnel: be sure the stopcock is in the closed position be sure the stopcock is sideways tight 9. Dichloromethane will be...

    Chemistry, Distillation, First aid 662  Words | 2  Pages

  • lab report

    CHM1032L pre/post lab instructions Preparation is a key to success in this lab. For this reason, you are required to thoroughly read through the experiment information presented in the lab manual, and complete a pre-lab for each experiment you do. The prelab must be completed prior to the day of the experiment. Each Friday I will ask to see your completed prelab before I allow you to enter the lab. If you have not finished the pre-lab, I will not allow you to enter the lab and you will receive...

    Experiment, Laboratory, Logic 1036  Words | 4  Pages

  • Pglo Transformation Lab Report

    Transformation Lab Report Introduction Transformation is the transfers of virulence from one cell to another, through the transferring of genetic material. It was originally postulated in 1928 through the works of Federick Griffith, a British microbiologist. Griffith observed that the mutant form, non-virulent form, of the bacteria Streptococcus Pnumoniae could be transformed into the normal, virulent form, when injected into mice along with heat killed normal forms. He concluded that somehow...

    Bacteria, Cell, DNA 1470  Words | 5  Pages

  • Lab Report

    nucleic acids. Each play an integral part in biological systems, for instance, carbohydrates are the main source of fuel for organisms. Proteins contribute to the structure of organisms, lipids make up membranes of cells, and nucleic acids make up DNA and RNA for carrying the genetic code. Scientists have established different ways to indicate presence of these compounds, one way is to test for these various compounds via solution tests. Scientists have established terms for evaluation. The terms...

    Acid, Amino acid, Carbohydrate 968  Words | 5  Pages

  • Replicating Dna Using Pcr

    Cell Lab Report Experiments : 1. PCR . 2. Protein extraction and purification . 3. Protein concentration determination . 4. SDS-PAGE . 1. The aim of experiments : 2.1 The aim of PCR experiment is to replicate some DNA dimmers by using specific enzymes used for replication in vitro which is done in lab not by living organisms. 2.2 The aim of protein extraction and purification experiment is to extract some proteins and purify them by specific methods. ...

    Cell, DNA, DNA replication 766  Words | 3  Pages

  • Lab Report: Extraction of Caffeine from Tea Bags

     Abstract The purpose of this experiment was to perform a liquid-liquid extraction method to extract the caffeine from the tea bags that were provided, and then recrystallize the caffeine. The solvents used in the experiment were an aqueous sodium carbonate and dichloromethane (DCM). Anhydrous calcium chloride pellets were used to dry the solution and emulsion layer and the DCM was then decanted. After washing the anhydrous calcium chloride pellets with more DCM, the solvent was evaporated...

    Chemistry, Laboratory glassware, Sodium 1178  Words | 4  Pages

  • Lab Report

    Year 11 Lab Report Template Experiment – Modelling A. Title • A brief concise descriptive title B. Aim • What are you trying to find out? • What do you want to learn? C. Hypothesis • Write a possible solution to the problem. • If ………………………………………………………………………………………….then ………………………………………………………………………………………………………. • Make sure the above statement is testable. • The Independent variable is …………………………………………………….. ...

    Control, Experiment, Hypothesis 399  Words | 3  Pages

  • bio 243 lab final notes

    Lab manual/results/online article condensed notes Lab 1 · DNA is made up of deoxyribonucelotides · Components of DNA/RNA includes a 5 carbon sugar, a phosphate group, and a nitrogenous base · the negative charge associated with DNA/RNA is due to the phosphate groups · DNA is linked together by phosphodiester bonds (they are covalent bonds) · the energy required to create these bonds is from the cleavage of pyrophosphate, refer to figure 1.3 on page 4 and below. · ...

    Allele, Chromosome, DNA 1177  Words | 5  Pages

  • pGLO Lab Report

    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...

    Agar plate, Ampicillin, Bacteria 835  Words | 4  Pages

  • Dna Extraction Lab

    Objective: The purpose of this lab is to allow you to become familiar with a procedure for extracting DNA, collecting DNA samples, and to observe the physical characteristics of DNA Background: The wild strawberry is a diploid because it only has two sets of chromosomes. While the grocery store kind is an octoploidy because it has eight sets of chromosomes. The reason we chose the grocery store strawberry is because we’d be able to extract more DNA. Ripe strawberries make enzymes which help break...

    Archaea, Bacteria, Cell 692  Words | 2  Pages

  • DNA STRAWBERRY CONCLUSION

    The hypothesis for this lab is if strawberry DNA is separated from other components, then when it is placed in a insoluble solution the DNA can eventually be isolated. DNA is deoxyribonucleic acid. Its a self replacing material present in all living organisms as the main constituent of chromosomes. It is the fundamental and distinctive characteristics of someone or something, especially when regarded as unchangeable. DNA extraction is the removal of deoxyribonucleic acid from the cells or viruses...

    Bacteria, Biology, Cell 1078  Words | 3  Pages

  • Mitochondrial Dna

    DMitochondrial DNA Examination of Cold Case Crime Scene Hairs http://www.forensicmag.com/article/mitochondrial-dna-examination-cold-case-crime-scene-hairs?page=0,0 By Terry Melton Article Posted: April 01, 2009 Printer Friendly | Forward to a Friend | Share this | Terry Melton Forensic mitochondrial DNA analysis of hair shafts and naturally shed hairs is a tool to enhance the investigation of cold cases; this form of evidence historically has had severely limited utility. Many cold cases...

    Alec Jeffreys, Combined DNA Index System, DNA 2465  Words | 7  Pages

  • Lab Report Part II

    Lab Report Part II Purpose: To be familiarized with the science and techniques used to identify different types of bacteria based on their DNA sequences. Background Information: The process begins with preparing a sample. Successful identification starts with using a sample that is considered to be good. The first step is to pick up a single colony and drop it into a microcentrifuge tube. A buffer is used to dissolve the cell wall in order to extract bacterial DNA. This step may take several hours...

    DNA, DNA polymerase, DNA replication 1247  Words | 3  Pages

  • Lab Report

    INTRODUCTION: In this laboratory exercise explore the differences of microorganism and continue our use of specialized media and use some biochemical testing.This report discloses the basic laboratory instruments will be used in each of our practices .It is of great importance to recognize and identify the different instruments and laboratory tools, because in this way will we be able to use them properly and also to call them by name and know why. Listen Read phonetically   Dictionary - View...

    Bacteria, Gram staining, Metabolism 527  Words | 4  Pages

  • Lab Report-

    Student's Name Date of Experiment- 11/27/12 Date Report Submitted 11/27/12 Title: Caloric Content of Food Purpose: to be able to measure the energy content of foods Procedure: We are going to take food items and burn them to heat water to be able to determine the amount of “energy” a food source can emit. Data Tables: |Data Table 1: Food Item - Observations ...

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  • Lab Report

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