SBI3U1-04 Final Exam Study Notes Unit 1: Diversity of Living Things 1.1 Importance of Biodiversity Spotlight on Honeybees Very important‚ pollinate flowers allowing plants to reproduce Play vital role in food chain‚ if they die‚ all organisms that rely on them will die as well Dying because of pesticides‚ parasitic Varroa mite (infects beehives and sucks of bees’ blood)‚ the Israeli acute paralysis virus (immobilizes and kill bees) No genetic diversity = Less resistant to parasites
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Decoding the DNA of the Toyota Production system: The Toyota Production system has long been considered as the source of Toyota’s outstanding performance as a manufacturer. The distinctive practices of the system especially Kanban and quality circles have been widely used elsewhere. Companies that have tried to adopt the Toyota Production System can be found in diverse fields. However‚ what is surprising is that only a few manufacturers have succeeded in imitating Toyota successfully even though
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convicted. Although fingerprints and DNA are excellent tools when it comes to physical evidences of a crime‚ they are in most cases not considered to credible. For instance‚ there are different kinds of DNA that can be collected at a scene one of which is touch DNA; this is collected using a cotton swab‚ or Q-tip‚ and distilled water to collect the evidences (Missouri state highway Patrol Crime laboratory‚ 2014). This type of collecting is used before any fingerprinting powder. Sadly‚ the only forensic
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information for: Principles of Gene Manipulation Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Gene manipulation: an all-embracing technique Basic techniques - (POGC02.pdf‚ 1‚560KB) Cutting and joining DNA molecules Basic biology of plasmid and phage vectors Cosmids‚ phasmids and other advanced vectors Cloning strategies Additional updated information on Cloning strategies Sequencing and mutagenesis Cloning in bacteria other than E. coli Cloning in Saccharomyces
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Create A DNA Fingerprint Name: Kevin Lee From the video: 1. What evidence might kidnapped children leave behind that would contain their DNA? Food‚ Drinks‚ Cigarrets‚ lolipops‚ anything they touched. 2. How easily do you think DNA evidence can be contaminated? Dna evidence can be contaminated when DNA from an outside source gets mixed up with the DNA tested 3. How does a forensic department avoid confusing DNA profiles in a contaminated sample? They profile the lab workers so if DNa does get
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Agarose Gel Electophoresis of DNA Topoisomers Introduction DNA can exist as different isomers that change the confirmation of the DNA’s structure. DNA can be in a linear confirmation this is a relaxed confirmation as the DNA can rotate about its axis unconstrained. It can also exist as a nicked circle this is also a relaxed confirmation as the DNA strands can again rotate freely with respect to one another. Covalently closed circular DNA or cccDNA exists as a supercoil this is because the covalent
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CHAPTER 14 LECTURE NOTES: RECOMBINANT DNA TECHNOLOGY I. General Info A. Landmarks in modern genetics 1. Rediscovery of Mendel’s work 2. Chromosomal theory of inheritance 3. DNA as the genetic material 4. Recombinant DNA technology development and applications B. Recombinant DNA refers to the creation of new combinations of DNA segments that are not found together in nature. The isolation and manipulation of genes allows for more precise genetic analysis as well as practical applications
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responsible for transformation is not affected by protein-destroying enzymes. The activity is stopped‚ however‚ by a DNA-destroying enzyme. Thus‚ almost 100 years after Mendel’s experiments‚ Oswald Avery and his co-workers demonstrated that DNA is the material responsible for transformation. Viral Genes and DNA In 1952‚ Alfred Hershey and Martha Chase used the bacteriophage T2 to prove that DNA carried genetic material. A bacteriophage‚ also referred to as phage‚ is a virus that infects bacteria. When
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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
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polymeric molecule (DNA) the chemical basis of heredity Organized into genes units of DNA that encodes a protein or DNA Central Dogma of Molecular Biology Gene Expression & DNA Replication “The genetic information stored in the nucleotide sequence of DNA serves two purposes.” Source of information for synthesis of protein molecules of the cell GENE EXPRESSION Provides information inherited by daughter cells or offsprings DNA REPLICATION Gene Expression vs DNA Replication GENE
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