Across
- 7. A macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair.
- 8. A subunit of which nucleic acids are composed; made up of a 5-sugar carbon, a phosphate group, and a nitrogenous base.
- 10. A small chemical unit that makes up a polymer.
- 11. Macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus.
- 13. A compound made up of carbon, hydrogen, and oxygen atoms; types of nutrients that are the major source of energy to the body.
Down
- 1. A reactant of an enzyme-catalyzed reaction.
- 2. Elements or Compounds that enter into a chemical reaction.
- 3. A molecule composed of many monomers; makes up macromolecules.
- 4. A macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes.
- 5. A substance that speeds up the rate of a chemical reaction.
- 6. A protein catalyst that speeds up the rate of biological reactions.
- 9. A compound with an amino group on one end and a carboxyl group on the other end.
- 12. A process that changes, or transforms, one set of chemicals into another set of chemicals.