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

    Key points: Polymerase chain reaction, or PCR, is a technique to make many copies of a specific DNA region in vitro (in a test tube rather than an organism). PCR relies on a thermostable …

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

    Key points: Polymerase chain reaction, or PCR, is a technique to make many copies of a specific DNA region in vitro (in a test tube rather than an organism). PCR relies on a thermostable …

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

    Definition, purpose, and basic steps of DNA cloning.

  4. Intro to biotechnology (article) | Khan Academy

    DNA technology is important to both basic and applied (practical) biology. For instance, a technique used to make many copies of a DNA sequence, called polymerase chain reaction …

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

    Course: Biology archive > Unit 15 Lesson 3: DNA analysis methods Polymerase chain reaction (PCR) Gel electrophoresis Polymerase chain reaction (PCR) Gel electrophoresis DNA …

  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 …

  7. Gel electrophoresis (article) | Khan Academy

    Introduction Suppose you have just done a PCR reaction, making many copies of a target DNA region. Or perhaps you’ve done some DNA cloning, trying to "paste" a gene into a circular …

  8. Łańcuchowa reakcja polimerazy (PCR) (artykuł) | Khan Academy

    Co to jest PCR? Reakcja łańcuchowa polimerazy ( PCR ) jest powszechną techniką laboratoryjną stosowaną do tworzenia wielu kopii (milionów lub miliardów!) określonego regionu DNA. Ten …

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  10. Stages of transcription: initiation, elongation & termination (article ...

    An in-depth looks at how transcription works. Initiation (promoters), elongation, and termination.