![]() ![]() The two strands are held together by hydrogen bonds between pairs of bases: adenine pairs with thymine, and cytosine pairs with guanine. How are two strands of DNA molecule joined together? Macromolecules are made up of single units known as monomers that are joined by covalent bonds to form larger polymers. What are the bonds that hold together the different types of macromolecules? Why is the linking of two monomers called “dehydration synthesis?” – Because the atoms removed from the monomers combine to form water. Why is the bonding together of monomers called dehydration synthesis quizlet? Simple lipids are composed of subunits made of fatty acids covalently bonded to a triose sugar – glycerol. Lipids are not true macromolecules because the monomers are not covalently bonded together. ![]() What type of chemical reaction joins two molecules?Ī condensation reaction is a reaction in which two molecules combine to form a single molecule. Hydrolysis reactions break bonds and release energy. Hydrolysis reactions use water to breakdown polymers into monomers and is the opposite of dehydration synthesis, which forms water when synthesizing a polymer from monomers. Are monomers joined together by hydrolysis? There are two basic ways to form polymers: (a) linking small molecules together, a type of addition reaction, and (b) combining two molecules (of the same or different type) with the elimination of a stable small molecule such as water. What are the two ways that monomers can be joined to form polymers? Sugar molecules contain carbon, hydrogen, and oxygen: their hydrocarbon backbones are used to make amino acids and other carbon-based molecules that can be assembled into larger molecules (such as proteins or DNA), used for example to form new cells. There are four main types of monomer, including sugars, amino acids, fatty acids, and nucleotides. Monomers are atoms or small molecules that bond together to form more complex structures such as polymers. The simplest form of starch is the linear polymer amylose amylopectin is the branched form. Starch is a polysaccharide comprising glucose monomers joined in α 1,4 linkages. Which monomers are joined together to form a starch molecule? Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case. ![]() How are macromolecules broken down and used to make new molecules?ĭehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. What is the name of the process during which a bond between two monomers is broken? Hydrolysis. What is the name of the process during which a bond between two monomers is broken? And these monomers are held together via a covalent bond. During dehydration synthesis, multiple monomers come together to form polymers. The chemical reaction that links monomers into polymers is dehydration synthesis. What reaction links two monomers together? Amino acid sequence determines the structure and function of a protein. Two or more polypeptide chains are joined together to form large proteins. A large number of amino acid molecules join together by peptide bonds to form polypeptide chains. The monomer of a protein is an amino acid. ![]() This type of reaction is known as dehydration synthesis, which means “to put together while losing water.” How are the molecules of macromolecules joined together? In doing so, monomers release water molecules as byproducts. The monomers combine with each other using covalent bonds to form larger molecules known as polymers. 24 What type of bonds are found in biomolecules? How are monomers joined together? ![]()
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