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What is the role of RNA in protein synthesis?

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Question: What is the role of RNA in protein synthesis?

Options:

  1. Storage of genetic information
  2. Transcription of DNA
  3. Translation of proteins
  4. Both transcription and translation

Correct Answer: Both transcription and translation

Solution: 

RNA plays a crucial role in both the transcription of DNA and the translation of proteins.

What is the role of RNA in protein synthesis?

Practice Questions

Q1
What is the role of RNA in protein synthesis?
  1. Storage of genetic information
  2. Transcription of DNA
  3. Translation of proteins
  4. Both transcription and translation

Questions & Step-by-Step Solutions

What is the role of RNA in protein synthesis?
  • Step 1: Understand that RNA stands for ribonucleic acid, which is a molecule similar to DNA.
  • Step 2: Know that the first part of protein synthesis is called transcription, where DNA is copied into messenger RNA (mRNA).
  • Step 3: Realize that during transcription, the DNA unwinds and RNA nucleotides pair with the DNA to form mRNA.
  • Step 4: After transcription, the mRNA leaves the nucleus and goes to the ribosome, which is the site of protein synthesis.
  • Step 5: The next part is called translation, where the ribosome reads the mRNA sequence.
  • Step 6: Transfer RNA (tRNA) brings the correct amino acids to the ribosome based on the mRNA sequence.
  • Step 7: The ribosome links the amino acids together to form a protein, completing the process of protein synthesis.
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