DNA Transcription: DNA to RNA

Science, Grade 6

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Table Of Contents: DNA Transcription: DNA to RNA

1. Process of Transcription
During the process of transcription a DNA gene sequence is copied to a single RNA (ribonucleic acid) strand called a messenger RNA, or mRNA.
2. DNA Unwinds
Transcription starts when double-stranded DNA unwinds and exposes a sequence of nitrogen bases.
3. Formation of RNA
A new strand of complementary bases forms to create RNA.
4. RNA Contains Uracil, Not Thymine
The structure of RNA is similar to DNA, but it uses the nitrogen base uracil instead of thymine.
5. RNA Travels to the Cytoplasm
The messenger RNA carries the code to the ribosomes in the cytoplasm.
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