What Is a Possible Consequence of a Mutation Affecting a Nucleotide

question 72

Multiple Choice

What is a possible consequence of a mutation affecting a nucleotide in a coding sequence of an mRNA molecule?

• A) An incorrect amino acid is added to the growing chain,resulting in a defective protein that potentially does not function properly.
• B) Protein synthesis comes to a full stop.
• C) All the correct amino acids are represented,but the out-of-sequence chain results in a mutated protein.
• D) The defective mRNA molecule does not move into the cytoplasm after transcription,therefore the protein is not synthesized.
• E) The mutated nucleotide is skipped,shifting and regrouping the remaining codons to create a different protein.

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