Central Dogma of Molecular Biology Quiz

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Questions and Answers

What is the function of tRNA in the process of translation?

  • Carry amino acids to the ribosome (correct)
  • Make up the ribosome
  • Synthesize DNA strands
  • Copy the genetic code

Which of the following is NOT a type of RNA involved in protein synthesis?

  • mRNA
  • sRNA (correct)
  • rRNA
  • tRNA

What is the first step in semiconservative DNA replication?

  • RNA primer is synthesized
  • Okazaki fragments are produced
  • DNA polymerase synthesizes DNA strands
  • Helicase separates the DNA strands (correct)

Which molecule carries the genetic code from the DNA to the ribosome for protein synthesis?

<p>mRNA (C)</p> Signup and view all the answers

In which part of the cell does transcription occur?

<p>Nucleus (A)</p> Signup and view all the answers

Which process involves making proteins using the genetic information carried in mRNA?

<p>Translation (B)</p> Signup and view all the answers

What enzyme is responsible for maintaining the ends of chromosomes?

<p>Telomerase (C)</p> Signup and view all the answers

In what direction is mRNA synthesized during transcription?

<p>5 to 3 direction (B)</p> Signup and view all the answers

What is the process of removing introns and reconnecting exons called?

<p>Splicing (D)</p> Signup and view all the answers

In translation, where does the tRNA carrying amino acids with formed bonds bind?

<p>P site (C)</p> Signup and view all the answers

What occurs when a stop codon is encountered during translation termination?

<p>Growing polypeptides are released (D)</p> Signup and view all the answers

Which external modifications to DNA turn genes on and off without changing the DNA sequence?

<p>Epigenetic marks (B)</p> Signup and view all the answers

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