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英文字典中文字典相关资料:


  • The genetic code codon table (article) | Khan Academy
    The genetic code links groups of nucleotides in an mRNA to amino acids in a protein Start codons, stop codons, reading frame
  • Overview of translation (article) | Khan Academy
    There are 61 codons for amino acids, and each of them is "read" to specify a certain amino acid out of the 20 commonly found in proteins One codon, AUG, specifies the amino acid methionine and also acts as a start codon to signal the start of protein construction
  • The genetic code (article) | Khan Academy
    As we saw above, the genetic code is based on triplets of nucleotides called codons, which specify individual amino acids in a polypeptide (or "stop" signals at its end)
  • Stages of translation (article) | Khan Academy
    In an mRNA, the instructions for building a polypeptide come in groups of three nucleotides called codons Here are some key features of codons to keep in mind as we move forward:
  • O código genético (artigo) | Khan Academy
    Como a informação contida em uma cadeia de mRNA é decodificada para formar um polipeptídeo? Aprenda como grupos de três nucleotídeos, chamados códons, especificam os aminoácidos (bem como os sinais de início e fim de tradução)
  • O código genético (artigo) | Tradução | Khan Academy
    O código genético liga grupos de nucleotídeos de um RNAm a aminoácidos de uma proteína Códons de início, códons de parada, pauta de leitura
  • tRNAs and ribosomes (article) | Translation | Khan Academy
    The anticodon of a given tRNA can bind to one or a few specific mRNA codons The tRNA molecule also carries an amino acid: specifically, the one encoded by the codons that the tRNA binds
  • DNA function structure (with diagram) (article) | Khan Academy
    If nucleotides are like letters, then codons are like words Unlike English, where we use 26 letters to make words of all different lengths and meanings, your cells use the four DNA nucleotide monomers to make “words”—codons—of just one length: three nucleotides long
  • Translation (mRNA to protein) (video) | Khan Academy
    Translation occurs in ribosomes, which are cellular structures made of proteins and ribosomal RNA (rRNA) Here, mRNA is converted into amino acid sequences, forming polypeptides Transfer RNA (tRNA) carries amino acids and matches them with mRNA codons, allowing ribosomes to synthesize proteins
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