Some Eukaryotic DNA Sequences Act as Introns in the Cells

question 45

Multiple Choice

Some eukaryotic DNA sequences act as introns in the cells of some tissues and exons in the cells of other tissues. This is an example of ____, and allows for ____.

• A) positive control; feedback inhibition
• B) gene amplification; the regulation of the rate of transcription
• C) alternative splicing; the formation of different types of closely related proteins
• D) DNA methylation; the formation of different types of closely related proteins
• E) DNA replication; heterodimer formation