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Learn how DNA is transcribed into RNA and how RNA processing adds complexity to gene expression. Khan Academy offers free, world-class education for anyone, anywhere.
Discover how gene expression is regulated by transcription factors and cell specialization in this video lesson from Khan Academy.
DNA serves as the molecular basis of heredity through replication, expression, and translation processes. Replication creates identical DNA strands, while transcription converts DNA into messenger RNA (mRNA). Translation then decodes mRNA into amino acids, forming proteins essential for life functions.
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Middle school biology. Course: Middle school biology > Unit 7. Lesson 5: Reproduction and genetic variation. Sexual reproduction and genetic variation. Sexual reproduction and genetic variation. Genetics vocabulary. Worked examples: Punnett squares. Genetics vocabulary and Punnett squares. Understand: sexual reproduction and genetic variation.
Transkripsiyon Regülasyonu. Hücre Özelleşmesi (Farklılaşması) Bakterilerde Operonlar ve Gen Regülasyonu. Özet: Bakterilerde Gen Regülasyonu. Lak Operonu. Lac (lak) Operonu. Trp Operonu. Özet: Ökaryotlarda Gen Regülasyonu. Transkripsiyon Faktörleri.