$\text {Genes and RNA transcripts differ in length.}$ Figure 172
-Refer to Figure 17

question 13

Multiple Choice

$\text {Genes and RNA transcripts differ in length.}$
Figure 17.2
-Refer to Figure 17.2. The mRNA is smaller than the length of the DNA that codes for it because

• A) post- transcriptional modification removes the exons.
• B) the regulatory regions introns) of the gene are not transcribed.
• C) post- transcriptional modification removes the introns.
• D) bases are added to the tail of the primary transcript.

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