![]() ![]() Monomers are linked together by hydrolysis. Monomers join together via hydrogen bonds. It should say the bonds holding the two DNA strands together are noncovalent hydrogen bonds.\): Polyisoprene. Monomers are joined together to form functional polymers Monomers are linked together by dehydration synthesis. Depending on its chemical composition, various types of bonds are used to hold the monomeric unit together. This process can be repeated to form polysaccharides, such as starch and glycogen. Two glucose molecules can be linked together through a dehydration synthesis reaction to form a disaccharide called maltose. It says "The nucleotides forming each DNA strand are connected by noncovalent bonds, called hydrogen bonds." but those are covalent peptide bonds. From Monomer to Polymer A polymer is a material made up of many small molecules joined together by means of a chemical bond to form a larger molecule. The monosaccharide glucose can be used as a building block for more complex sugars and carbohydrates. ![]() A large molecule made of repeating subunits (monomers). For example, an amino acid acts as the building blocks for proteins. A molecule that is a building block for larger molecules (polymers). Ribose instead of deoxyribose is drawn in the dehydration synthesis diagram. A large, organic molecule such as carbohydrates, lipids, proteins, and nucleic acids. These bonds are called 3’-5’ phosphodiester bonds"? So shouldn't it say "The phosphodiester bonds that join one DNA nucleotide to another always link the 3’ carbon of the first nucleotide to the 5’ carbon of the second nucleotide. chemical reactions that build POLYMERS from MONOMERS are called dehydration reactions. ![]() For example, when two glucose molecules come together to form maltose, a water molecule is eliminated, as shown in the image. As this name suggests, a covalent bond is synthesized by the loss of a water molecule (dehydration). Many biologically essential molecules are macromolecules. During the process of polymerization, monomers are joined together by a process called dehydration synthesis. ![]() Monomers link up in repetitive subunits similar to a train: each car represents a monomer, while the whole train which consists of many identical cars linked to one another represents a polymer. These bonds are called 5’-3’ phosphodiester bonds." but DNA is synthesized from 5' to 3' direction according to the "How DNA is replicated" video where the 5'C of the second nucleotide is always linked to the 3'C of the first nucleotide. Figure 1 shows how monomers join together to form polymers. It says "The phosphodiester bonds that join one DNA nucleotide to another always link the 5’ carbon of the first nucleotide to the 3’ carbon of the second nucleotide. In the "nucleotide structure" diagram, deoxyribose is drawn but it says "ribose". ![]()
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