Completar frases BIOMOLECULESVersión en línea Complete the sentences using the best option given por Maria Borbolla Luna 1 enzymes DNA Biomolecule RNA 20 protein glucose starch membranes antibodies abundant transporters stored energy are organic compounds produced by cells and living organisms . The four major types are carbohydrates , lipids , nucleic acids , and proteins . Among biomolecules , nucleic acids , namely and , have the unique function of storing an organism's genetic code ? the sequence of nucleotides that determines the amino acid sequence of proteins , which are of critical importance to life on Earth . There are different amino acids that can occur within a ; the order in which they occur plays a fundamental role in determining protein structure and function . Proteins themselves are major structural elements of cells . They also serve as , moving nutrients and other molecules in and out of cells , and as and catalysts for the vast majority of chemical reactions that take place in living organisms . Proteins also form and hormones . Likewise , carbohydrates , which are made up primarily of molecules containing atoms of carbon , hydrogen , and oxygen , are essential sources and structural components of all life , and they are among the most biomolecules on Earth . They are built from four types of sugar units ? monosaccharides like disaccharides , oligosaccharides , and polysaccharides like cellulose and . Lipids , another key biomolecule of living organisms , fulfill a variety of roles , including serving as a source of energy and acting as chemical messengers . They also form , which separate cells from their environments and compartmentalize the cell interior , giving rise to organelles .