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The Central Dogma of Molecular Biology: A Quiz

The Central Dogma of Molecular Biology: A Quiz

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Questions

Question 1 Multiple Choice (Single Answer)

What is the central dogma of molecular biology?

  1. DNA is transcribed into RNA, which is then translated into protein.
  2. RNA is transcribed into DNA, which is then translated into protein.
  3. Protein is transcribed into DNA, which is then translated into RNA.
  4. Protein is transcribed into RNA, which is then translated into DNA.
Question 2 Multiple Choice (Single Answer)

What is the role of DNA in the central dogma?

  1. It stores genetic information.
  2. It is transcribed into RNA.
  3. It is translated into protein.
  4. All of the above.
Question 3 Multiple Choice (Single Answer)

What is the role of RNA in the central dogma?

  1. It carries genetic information from DNA to the ribosome.
  2. It is translated into protein.
  3. It regulates gene expression.
  4. All of the above.
Question 4 Multiple Choice (Single Answer)

What is the role of protein in the central dogma?

  1. It is the final product of gene expression.
  2. It carries out cellular functions.
  3. It regulates gene expression.
  4. All of the above.
Question 5 Multiple Choice (Single Answer)

What is the process by which DNA is transcribed into RNA called?

  1. Replication
  2. Transcription
  3. Translation
  4. Mutation
Question 6 Multiple Choice (Single Answer)

What is the process by which RNA is translated into protein called?

  1. Replication
  2. Transcription
  3. Translation
  4. Mutation
Question 7 Multiple Choice (Single Answer)

What is the genetic code?

  1. The set of rules that determines how DNA is transcribed into RNA.
  2. The set of rules that determines how RNA is translated into protein.
  3. The set of rules that determines how proteins are folded into their functional shapes.
  4. The set of rules that determines how cells divide.
Question 8 Multiple Choice (Single Answer)

How many codons are there in the genetic code?

  1. 64
  2. 128
  3. 256
  4. 512
Question 9 Multiple Choice (Single Answer)

What is a stop codon?

  1. A codon that codes for an amino acid.
  2. A codon that codes for a stop signal.
  3. A codon that codes for a start signal.
  4. A codon that codes for a regulatory element.
Question 10 Multiple Choice (Single Answer)

What is a start codon?

  1. A codon that codes for an amino acid.
  2. A codon that codes for a stop signal.
  3. A codon that codes for a start signal.
  4. A codon that codes for a regulatory element.
Question 11 Multiple Choice (Single Answer)

What is the role of tRNA in protein synthesis?

  1. It carries amino acids to the ribosome.
  2. It reads the mRNA sequence.
  3. It synthesizes the protein chain.
  4. It releases the protein from the ribosome.
Question 12 Multiple Choice (Single Answer)

What is the role of mRNA in protein synthesis?

  1. It carries genetic information from DNA to the ribosome.
  2. It is translated into protein.
  3. It regulates gene expression.
  4. All of the above.
Question 13 Multiple Choice (Single Answer)

What is the role of the ribosome in protein synthesis?

  1. It reads the mRNA sequence.
  2. It synthesizes the protein chain.
  3. It releases the protein from the ribosome.
  4. All of the above.
Question 14 Multiple Choice (Single Answer)

What is the final product of protein synthesis?

  1. A polypeptide chain.
  2. A protein.
  3. An amino acid.
  4. A nucleotide.
Question 15 Multiple Choice (Single Answer)

What is the function of proteins in cells?

  1. They carry out cellular functions.
  2. They regulate gene expression.
  3. They provide structural support.
  4. All of the above.
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