What is a codon?
Correct Answer: A codon is a sequence of three nucleotides in mRNA.
- Step 1: Understand that DNA and RNA are made up of building blocks called nucleotides.
- Step 2: Know that mRNA (messenger RNA) is a type of RNA that carries information from DNA to make proteins.
- Step 3: Learn that a codon is a group of three nucleotides in the mRNA sequence.
- Step 4: Recognize that each codon corresponds to a specific amino acid, which are the building blocks of proteins.
- Step 5: Understand that some codons act as stop signals, telling the cell when to stop making a protein.
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