1. p. 49 A.Q. 1ab, 3ab

2. p. 49 A.Q. 1ab, 3ab
1a. What are the major elements of life? 1a. The major elements of life are carbon, hydrogen, oxygen, phosphorus, sulfur, and nitrogen. 1b. What properties of carbon explain carbon’s ability to form different large and complex structures? 1b. Carbon atoms can bond to the atoms of many other elements. Carbon atoms can also readily bond to one another to form short chains, long chains, or rings, and these bonds can be single, double, or triple covalent bonds. This means that carbon atoms can be combined to make millions of different types of structures.

3. p. 49 A.Q. 1ab, 3ab
3a. What atoms constitute the compound above? 3a. Carbon, hydrogen, and oxygen constitute the compound above. 3b. What call of macromolecule does this compound belong to? 3b. This compound is a member of the carbohydrate class of macromolecule.