Transcription happens in which part of the cell?Group of answer choicesCytoplasmNucleusGolgi apparatusRibosomeMitochondria
Question
Transcription happens in which part of the cell?
- Group of answer choices
- Cytoplasm
- Nucleus
- Golgi apparatus
- Ribosome
- Mitochondria
Solution
Transcription, the process of copying a segment of DNA into RNA, primarily occurs in the nucleus of eukaryotic cells. Here’s a brief explanation of why the nucleus is the correct answer and what happens during transcription:
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Location of DNA: The DNA, which contains the genetic instructions, is housed in the nucleus. For transcription to take place, the DNA must be accessed by the transcription machinery responsible for synthesizing RNA.
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Role of RNA Polymerase: The enzyme responsible for transcription is RNA polymerase, which binds to the DNA at the promoter region and initiates the synthesis of RNA.
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Process: During transcription, the DNA double helix unwinds, and one of the strands serves as a template for the formation of a complementary RNA strand. The resulting RNA strand is synthesized in the 5’ to 3’ direction and will ultimately be processed before it can be translated into proteins.
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Eukaryotic vs. Prokaryotic: In eukaryotic cells, transcription occurs in the nucleus, whereas in prokaryotic cells, which lack a nucleus, transcription occurs in the cytoplasm.
Given these points, the correct answer to where transcription happens is the Nucleus.
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