BIOL 103 Chapter Notes - Chapter 3: Corn Syrup, Dehydration Reaction, Monosaccharide
6 Oct 2016
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3. 1 life"s molecular diversity is based on the properties of carbon. Organic compounds: carbon-based compounds (usually contain hydrogen) Carbon has 4 electrons in a valence shell that holds 8 completes its outer shell by sharing electrons with other atoms in four covalent bonds. Carbon chains form the backbone of most organic molecules differ in length, straight branched or rings. Isomers: compounds with the same formula but different structural arrangements. Hydrocarbons: compounds composed of only carbons and hydrogen: fat contain that provide fuel to the body. 3. 2 a few chemical groups are key to functioning of biological molecules. Building block of proteins: phosphate group: phosphorus atom bonded to four oxygen atoms. 3. 3 cells make large molecules from a limited set of small molecules. Macromolecules: the joining of smaller molecules into chains called polymers (long molecule consisting of identical building blocks, called monomers) Making polymers: dehydration reaction: removes a molecule of water as two molecules become bonded together.
