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

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

Options:

Correct Answer: Uracil

Solution:

RNA contains uracil instead of thymine, which is found in DNA.

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

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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