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- Overview of transcription - Khan Academy
Transcription of a gene takes place in three stages: initiation, elongation, and termination Here, we will briefly see how these steps happen in bacteria You can learn more about the details of each stage (and about how eukaryotic transcription is different) in the stages of transcription article
- Khan Academy
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- Khan Academy
En la transcripción, la secuencia de ADN de un gen se transcribe (copia) para hacer una molécula de ARN
- Khan Academy
Translation is the process whereby mRNA is converted into proteins by ribosomes 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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Purves, W K , Sadava, D E , Orians, G H , and Heller, H C (2004) Transcription: DNA-directed RNA synthesis Em Life: the science of biology (7th ed , pp 237-239) Sunderland, MA: Sinauer Associates
- Khan Academy
Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life
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