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