Based on Our Modern Understanding,what Revisions Are Necessary to the Original

question 46

Multiple Choice

Based on our modern understanding,what revisions are necessary to the original one-gene / one-enzyme hypothesis?

• A) Alternative splicing allows one gene to encode multiple polypeptides.
• B) Some genes encode RNAs, not enzymes.
• C) Some genes encode lipids, not enzymes.
• D) Some genes encode polypeptides that are not enzymes, such as structural proteins.
• E) Proteins as functional units may be composed of several polypeptides, so genes may encode just one polypeptide within a larger protein.