front 1 Most organic compounds contain carbon and _______.
| back 1 hydrogen |
front 2 The large diversity of shapes of biological molecules is possible because of the extensive presence of oxygen in the molecules.
| back 2 False Ex. The large diversity of shapes of biological molecules is possible because of the extensive presence of carbon in the molecules. |
front 3 C3H8 is an example of a hydrocarbon.
| back 3 True Ex. Hydrocarbons consist of carbon and hydrogen. |
front 4 Molecules that have the same chemical formula (same numbers of each atom) but different three-dimensional shapes are called _____.
| back 4 isomers Ex. Isomers are compounds that have the same molecular formula but different structures and therefore different properties. Three types of isomers are structural isomers, cis-trans isomers, and enantiomers. |
front 5 What functional group is commonly used in cells to transfer energy from one organic molecule to another?
| back 5 phosphate |