Which of the Following Correctly Describes Exons and Introns

question 77

Multiple Choice

Which of the following correctly describes exons and introns?

• A) Both exons and introns code for proteins, but they code for different types of proteins.
• B) Exons are coding sections of DNA, and introns are noncoding sections.
• C) Exons are noncoding sections of DNA, and introns are coding sections.
• D) To code for a protein, both an exon and an intron are necessary.

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