DNA codes for the sequence of amino acids in a protein's primary structure, but not for sugars or lipids. This is because: A. Only proteins are involved in metabolic reactions. B. Sugars and lipids do not code for their own replication. C. Sugars and lipids are always present in the environment but are not used in structures. D. Other hereditary molecules code for sugars and lipids. E. Proteins are the primary structural and functional components of cells.
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- The correct explanation for why DNA codes for the sequence of amino acids in a protein's primary structure but not for sugars or lipids is: E. Proteins are the primary structural and functional components of cells.
- DNA contains the genetic information needed to code for the sequence of amino acids in proteins, contributing to the primary structure of proteins. Proteins serve various crucial roles in cells, functioning as enzymes, structural components, transporters, and signaling molecules, among other functions.
- While DNA provides instructions for protein synthesis, it does not directly encode information for the production of sugars or lipids. Other biochemical pathways and cellular processes are responsible for the synthesis of carbohydrates (sugars) and lipids within the cell, and these molecules serve different roles compared to proteins in cellular structure and function.