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  1. Polymerase chain reaction (PCR) (article) | Khan Academy

    Using PCR, a DNA sequence can be amplified millions or billions of times, producing enough DNA copies to be analyzed using other techniques. For instance, the DNA may be visualized by gel …

  2. Polymerase chain reaction (PCR) (video) | Khan Academy

    PCR (Polymerase Chain Reaction) is a vital technique in molecular biology, enabling researchers to amplify specific DNA fragments exponentially. Essential for cloning, forensics, and medical …

  3. DNA sequencing (video) | Biotechnology | Khan Academy

    DNA sequencing involves three main steps: 1) using PCR to amplify DNA fragments, 2) introducing dideoxynucleotides that halt DNA strand elongation, and 3) employing a computer to analyze the …

  4. Polymerase chain reaction (PCR) (article) | Khan Academy

    Each step involves coupling, capping, and oxidation processes to ensure precision. After synthesis, primers are purified using techniques like HPLC and verified for accuracy.

  5. Polymerase chain reaction (practice) | Khan Academy

    The denaturation step of the polymerase chain reaction (PCR) involves heating the reaction mixture to 95 ° C . Why does this step involve such a high temperature?

  6. DNA sequencing (article) | Biotechnology | Khan Academy

    Although genomes are now typically sequenced using other methods that are faster and less expensive, Sanger sequencing is still in wide use for the sequencing of individual pieces of DNA, such as …

  7. Polymerase chain reaction (PCR) (practice) | Khan Academy

    Course: KA Biology Class 12 > Unit 10 Lesson 3: Tools and processes of recombinant technology Enzymes for isolation of DNA Polymerase chain reaction (PCR) Gel electrophoresis Gel …

  8. Overview: DNA cloning (article) | Khan Academy

    Definition, purpose, and basic steps of DNA cloning.

  9. Molecular mechanism of DNA replication (article) | Khan Academy

    Roles of DNA polymerases and other replication enzymes. Leading and lagging strands and Okazaki fragments.

  10. Bacterial transformation & selection (article) | Khan Academy

    Transfer of plasmid DNA into bacteria. How bacteria are selected. Protein production and purification.