Which of the following is a component of RNA but not DNA?

Practice Questions

Q1
Which of the following is a component of RNA but not DNA?
  1. Thymine
  2. Uracil
  3. Deoxyribose
  4. Adenine

Questions & Step-by-Step Solutions

Which of the following is a component of RNA but not DNA?
  • Step 1: Understand that both RNA and DNA are types of nucleic acids.
  • Step 2: Know that nucleic acids are made up of building blocks called nucleotides.
  • Step 3: Identify the four bases that make up the nucleotides in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G).
  • Step 4: Identify the four bases that make up the nucleotides in RNA: adenine (A), uracil (U), cytosine (C), and guanine (G).
  • Step 5: Compare the bases in RNA and DNA to find the difference.
  • Step 6: Conclude that uracil (U) is present in RNA but thymine (T) is present in DNA.
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