Biology Question:

Which of the following is MOST accurate for eukaryotic cells:

Answer:

1. introns are spliced out of pre-mRNA
2. introns are spliced out of pre-DNA
3. exons are spliced out of pre-mRNA
4. exons are spliced out of pre-DNA

Answer: A

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Assuming a male mammal has an x-linked recessive gene which exhibits a certain characteristic phenotypic trait, which of the following is NOT true:	The tectorial membrane is found in which of the following anatomical structures of a human: