Question

Which of the following statements regarding splicing in eukaryotes is correct?

• A. Several reactions in the splicing process involve hydrolysis of ATP
• B. Exons are spliced out and introns are retained in the mature mRNA transcript
• C. Splicing takes place in the cytosol
• D. Small nuclear RNAs are retained in the mature mRNA transcript

Answer 1

Answer:

A. Several reactions in the splicing process involve hydrolysis of ATP

Splicing takes place within the nucleus. Introns are spliced out and exons are retained in the mature mRNA transcript.