The function that is NOT typically associated with proteins from the options given is cell signaling. While proteins can be involved in signaling pathways and some proteins act as signaling molecules, the primary roles for proteins as highlighted in the table include building/repairing tissues and catalyzing reactions (enzymatic catalysis). Cell signaling is often more directly associated with lipids (e.g., steroid hormones) and certain carbohydrates (like glycoproteins).
This table summarizes the four main types of biomolecules found in living organisms. Each biomolecule has a specific structure and function that plays a critical role in biological processes. Understanding these biomolecules is fundamental in the study of biology and life sciences. BIOMOLECULE MONOMER POLYMER FUNCTION CARBOHYDRATES Monosaccharides Polysaccharides Provide energy & structural support PROTEINS Amino Acids Polypeptides Build/repair tissues, catalyze reactions LIPIDS Fatty Acids Triglycerides, Phospholipids Store energy long-term, form cell membranes, signaling NUCLEIC ACIDS Nucleotides DNA, RNA Store/transmit genetic info Which of the following is NOT a function of proteins? (1 point) Enzymatic catalysis Building structural support Cell signaling Repair damage
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