DNA Codes for the Sequence of Amino Acids in the Primary

question 65

Multiple Choice

DNA codes for the sequence of amino acids in the primary structure of a protein,but not for sugars or lipids.This is because

• A)only proteins are involved in living metabolic reactions.
• B)sugars and lipids code for their own replication.
• C)sugars and lipids are ever present in the living environment and are not used in living structures.
• D)other hereditary molecules code for sugars and lipids.
• E)proteins are the main structural and functional components of cells.