In the context of DNA, which of the following principles governs the process of transcription?

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SSC CHSL Exam 2024 Tier-I Official Paper (Held On: 01 Jul, 2024 Shift 1)
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  1. The principle of complementarity
  2. The transforming principle
  3. Semiconservative nature of DNA
  4. The principle of inheritance

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Option 1 : The principle of complementarity
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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 02 Aug 2023 Shift 1)
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The correct answer is The principle of complementarity

Key Points

  • The principle of complementarity governs the process of transcription in the context of DNA.
  • During transcription, the enzyme RNA polymerase reads the DNA strand and synthesizes a complementary RNA strand.
  • This principle ensures that adenine (A) pairs with uracil (U) in RNA (instead of thymine (T) in DNA), and cytosine (C) pairs with guanine (G).
  • Transcription is the first step in gene expression, where the DNA sequence of a gene is transcribed into RNA.

Additional Information

  • DNA (Deoxyribonucleic acid) is the molecule that carries the genetic instructions used in growth, development, functioning, and reproduction of all known living organisms.
  • The central dogma of molecular biology explains the flow of genetic information within a biological system, which is from DNA to RNA to protein.
  • Transcription is followed by translation, where the RNA is used to produce proteins.
  • Errors in the transcription process can lead to mutations, which may result in genetic disorders or diseases.
  • Understanding transcription is crucial for fields such as genetics, molecular biology, and biotechnology.
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