Which of the following nucleotides is NOT found in RNA?

Practice Questions

Q1
Which of the following nucleotides is NOT found in RNA?
  1. Adenine
  2. Cytosine
  3. Thymine
  4. Uracil

Questions & Step-by-Step Solutions

Which of the following nucleotides is NOT found in RNA?
  • Step 1: Understand what nucleotides are. Nucleotides are the building blocks of nucleic acids like DNA and RNA.
  • Step 2: Know the four nucleotides found in RNA. They are adenine (A), cytosine (C), guanine (G), and uracil (U).
  • Step 3: Identify the nucleotides found in DNA. They are adenine (A), cytosine (C), guanine (G), and thymine (T).
  • Step 4: Compare the nucleotides in RNA and DNA. Notice that thymine (T) is present in DNA but not in RNA.
  • Step 5: Conclude that thymine is the nucleotide that is NOT found in RNA.
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