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Nucleic Acid Structure and Function

Test your knowledge on the structure and function of nucleic acids, the fundamental building blocks of genetic information.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is a component of a nucleotide?

  1. Deoxyribose
  2. Ribose
  3. Phosphate
  4. All of the above
Question 2 Multiple Choice (Single Answer)

What is the name of the sugar-phosphate backbone of a nucleic acid?

  1. Deoxyribose-phosphate backbone
  2. Ribose-phosphate backbone
  3. Both of the above
  4. None of the above
Question 3 Multiple Choice (Single Answer)

Which of the following nitrogenous bases is found in DNA?

  1. Adenine
  2. Thymine
  3. Cytosine
  4. Uracil
Question 4 Multiple Choice (Single Answer)

Which of the following nitrogenous bases is found in RNA?

  1. Adenine
  2. Thymine
  3. Cytosine
  4. Uracil
Question 5 Multiple Choice (Single Answer)

What is the name of the process by which DNA is copied?

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

What is the name of the process by which DNA is transcribed into RNA?

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

What is the name of the process by which RNA is translated into protein?

  1. Replication
  2. Transcription
  3. Translation
  4. Mutation
Question 8 Multiple Choice (Single Answer)

What is the name of the genetic code?

  1. The codon table
  2. The genetic alphabet
  3. The DNA sequence
  4. The RNA sequence
Question 9 Multiple Choice (Single Answer)

How many codons are there in the genetic code?

  1. 64
  2. 61
  3. 20
  4. 16
Question 10 Multiple Choice (Single Answer)

Which codon codes for the start of a protein?

  1. AUG
  2. UAG
  3. UAA
  4. UGA
Question 11 Multiple Choice (Single Answer)

Which codons code for the stop of a protein?

  1. UAG
  2. UAA
  3. UGA
  4. All of the above
Question 12 Multiple Choice (Single Answer)

What is the name of the enzyme that catalyzes the replication of DNA?

  1. DNA polymerase
  2. RNA polymerase
  3. Reverse transcriptase
  4. Ligase
Question 13 Multiple Choice (Single Answer)

What is the name of the enzyme that catalyzes the transcription of DNA into RNA?

  1. DNA polymerase
  2. RNA polymerase
  3. Reverse transcriptase
  4. Ligase
Question 14 Multiple Choice (Single Answer)

What is the name of the enzyme that catalyzes the translation of RNA into protein?

  1. DNA polymerase
  2. RNA polymerase
  3. Reverse transcriptase
  4. Ribosome
Question 15 Multiple Choice (Single Answer)

What is the name of the molecule that carries the genetic information from DNA to the ribosome?

  1. Messenger RNA (mRNA)
  2. Transfer RNA (tRNA)
  3. Ribosomal RNA (rRNA)
  4. All of the above
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