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  2. Molecular models of DNA - Wikipedia

    en.wikipedia.org/wiki/Molecular_models_of_DNA

    The DNA model shown (far right) is a space-filling, or CPK, model of the DNA double helix. Animated molecular models, such as the wire, or skeletal, type shown at the top of this article, allow one to visually explore the three-dimensional (3D) structure of DNA. Another type of DNA model is the space-filling, or CPK, model.

  3. Oligonucleotide synthesis - Wikipedia

    en.wikipedia.org/wiki/Oligonucleotide_synthesis

    Oligonucleotide synthesis is the chemical synthesis of relatively short fragments of nucleic acids with defined chemical structure ().The technique is extremely useful in current laboratory practice because it provides a rapid and inexpensive access to custom-made oligonucleotides of the desired sequence.

  4. Molecular Structure of Nucleic Acids: A Structure for ...

    en.wikipedia.org/wiki/Molecular_Structure_of...

    The two base-pair complementary chains of the DNA molecule allow replication of the genetic instructions. The "specific pairing" is a key feature of the Watson and Crick model of DNA, the pairing of nucleotide subunits. [5] In DNA, the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine. The A:T and C:G pairs ...

  5. Molecular model - Wikipedia

    en.wikipedia.org/wiki/Molecular_model

    A molecular model is a physical model of an atomistic system that represents molecules and their processes. They play an important role in understanding chemistry and generating and testing hypotheses .

  6. Rule-based modeling - Wikipedia

    en.wikipedia.org/wiki/Rule-based_modeling

    Rule-based modeling is a modeling approach that uses a set of rules that indirectly specifies a mathematical model. The rule-set can either be translated into a model such as Markov chains or differential equations, or be treated using tools that directly work on the rule-set in place of a translated model, as the latter is typically much bigger.

  7. DNA synthesis - Wikipedia

    en.wikipedia.org/wiki/DNA_synthesis

    A polymerase chain reaction is a form of enzymatic DNA synthesis in the laboratory, using cycles of repeated heating and cooling of the reaction for DNA melting and enzymatic replication of the DNA. DNA synthesis during PCR is very similar to living cells but has very specific reagents and conditions.

  8. Artificial gene synthesis - Wikipedia

    en.wikipedia.org/wiki/Artificial_gene_synthesis

    First, the DNA parts are excised from the storage plasmid, giving a DNA fragment with BsaI overhangs on the 3' and 5' end. Next, each linker part is attached to its respective DNA part by incubating with T4 DNA ligase. Each DNA part will have a suffix and prefix linker part from two different linkers to direct the order of assembly.

  9. Rolling circle replication - Wikipedia

    en.wikipedia.org/wiki/Rolling_circle_replication

    DNA polymerase I removes the primer, replacing it with DNA, and DNA ligase joins the ends to make another molecule of double-stranded circular DNA. As a summary, a typical DNA rolling circle replication has five steps: [2] Circular dsDNA will be "nicked". The 3' end is elongated using "unnicked" DNA as leading strand (template); 5' end is ...

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