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Unit: Central dogma (DNA to RNA to protein)
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This unit is part of the Biology library. Browse videos, articles, and exercises by topic.Get an overview of the "central dogma" of molecular biology! Learn how a gene's DNA is copied into RNA (transcription), which is then "decoded" to specify the amino acid sequence of a protein (translation).
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Transcription is the first step in gene expression. It involves copying, or transcribing, the DNA sequence of a gene into the similar "alphabet" of RNA nucleotides. Learn more about this crucial cellular process.
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- TranscriptionGet 3 of 4 questions to level up!
In translation, the nucleotide sequence of an mRNA is "decoded" to specify the sequence of amino acids in a protein. Learn more about the steps of this process and the molecules that carry it out.
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- TranslationGet 3 of 4 questions to level up!
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