Across
- 1. biological catalysts
- 3. molecules composed of many monomers; makes up macromolecules
- 8. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
- 9. reaction a reaction that absorbs energy (absorbs heat)
- 12. reactant of an enzyme-catalyzed reaction
- 13. a large organic molecule made up of many atoms (like proteins)
- 15. energy energy that is needed to get a reaction started
- 16. acid macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
- 18. acid compound with an amino group on one end and a carboxyl group on the other end
- 19. substance formed as a result of a chemical reaction
- 20. substance that speeds up the rate of a chemical reaction
Down
- 2. small chemical unit that makes up a polymer
- 4. simple sugar molecule
- 5. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
- 6. reaction a reaction that releases energy (gives off heat)
- 7. reaction process that changes, or transforms, one set of chemicals into another set of chemicals
- 10. macromolecule made up of amino acids
- 11. a complex carbohydrate made up of many monosaccharides
- 14. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
- 17. elements or compounds that enter into a chemical reaction