How are passwords generated? How are codons decided?

Updated on science 2024-07-31
3 answers
  1. Anonymous users2024-02-15

    According to historical records, ciphers were first produced in Greece. In 404 B.C., after the conquest of Athens by the commander of the northern route of Sparta (present-day Greece), Lysandr, arrived with a messenger from his country and presented a belt with a text informing him of his attempt to cut off his return. Laishan had to make a quick decision and led his division out of danger lightly.

    By the 4th century, rudimentary ciphers had appeared in Greece to conceal the contents of the letters. In the 8th century, the ancient Romans created the "Bible Code" to spread Protestantism. At the end of the Middle Ages, in order to break through the feudal shackles of free love, the common people of Spain and the young men and women of the aristocratic class had to adopt various forms of secret communication, which led to the creation of various primitive ciphers.

    In 1200, the papacy of Rome and the Italian secular began to systematically use cryptography. By the 19th century, with the development of capitalism and the need for the bourgeoisie to fight against each other, radio coded communication appeared. By the time of the First World War, cryptographic communications were common, and many countries had set up special agencies to further develop and complete ciphers, and had set up organs to detect and decipher each other's ciphers.

    With the development of modern science and technology, especially the wide application of electronic technology, the ciphers have become more perfect, and the struggle between decipherment and anti-decipherment has become more intense and complex.

  2. Anonymous users2024-02-14

    This is mine, I hope it helps you. While pure cryptanalysis looks at the algorithm itself, some attacks focus on weaknesses in the execution of cryptographic devices, known as secondary channel attacks.

  3. Anonymous users2024-02-13

    Genetic codons are triplet codes: a codon is made up of three adjacent bases on messenger ribonucleic acid (mRNA).

    Codons are universal: different biological codons are basically the same, i.e., they share a common set of codons.

    There is no comma for the genetic codon: there is no punctuation between the two codons, there are no non-coding nucleotides between the codons, and the code reading must be in accordance with a certain code reading framework, starting from the correct starting point, and reading all the way to the end of the letter.

    Applications

    Improves heterologous expression of genes.

    By analyzing the codon usage pattern, the optimal host of the gene of interest can be analyzed; Or apply genetic engineering methods to provide the optimal codon usage mode for the expression of the target gene. There are 3 different approaches, all of which aim to use codon preference to improve the expression of heterologous genes.

    Translation initiation effect.

    mRNA concentration is one of the main factors influencing the rate of translation initiation, and codons directly affect transcription efficiency and determine mRNA concentration. For example, the codon bias of monocots in the "translation initiation region" is greater than that in the "translation termination region", suggesting that the use of codons in the "translation initiation region" is more important to improve the efficiency and accuracy of protein translation.

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