Honor Bio Ch 1 & 2 Vocab

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Across
  1. 5. a small molecule that forms the head region of a triglyceride fat molecule
  2. 7. a substance composed of atoms of different elements in specific ratios, held together by ionic bonds
  3. 8. a carbohydrate that contains multiple simple carbohydrates linked together. Examples: starch, glycogen (2 words)
  4. 12. a chemical within a cell that binds to an enzyme or substrate molecule and in doing so reduces the enzyme's ability to catalyze a reaction
  5. 13. a chemical that can quickly absorb excess H+ ions in a solution or quickly release H+ ions
  6. 16. a lipid important in regulating growth and development; Examples: cholesterol, testosterone, and estrogen
  7. 17. A sterol, important in maintaining growth and development, important in cell membranes by giving it stability
  8. 22. a chemical within a cell that binds to part of an enzyme away from the active site and reduces or blocks the enzyme's ability to bind with substrate (2 words)
  9. 23. the property of some elements or isotopes of having a nucleus that breaks down spontaneously, releasing tiny, high-speed particles that carry energy
  10. 25. one of the nitrogen-containing side-chain molecules attached to a sugar molecule in the sugar-phosphate backbone of DNA and RNA. Example: Adenine (3 words)
Down
  1. 1. structural material for plants, most prevalent organic compound on earth
  2. 2. a complex carbohydrate consisting of stored glucose molecules linked to form a large web
  3. 3. describes knowledge that is based on experience and observations that are rational, testable, and repeatable
  4. 4. the strength of a bond between two atoms (2 words)
  5. 6. an unsaturated fat that has been partially hydrogenated (2 words)
  6. 9. the molecule on which an enzyme acts
  7. 10. a chemical within a cell that binds to the active site of an enzyme, blocking substrate molecules from the site and thereby reducing the enzyme's ability to catalyze a reaction (2 words)
  8. 11. a bond created by the transfer of one or more electrons from one atom to another (2 words)
  9. 14. a strong bond formed when two atoms share electrons (2 words)
  10. 15. COOH (2 words)
  11. 18. a protein that initiates and accelerated a chemical reaction in living organisms
  12. 19. minimum energy needed to initiate a chemical reaction (2 words)
  13. 20. a complex indigestible by humans, that forms the rigid outer skeleton of most insects and crustaceans
  14. 21. variants of atoms that differ in the number of neutrons they possess
  15. 24. NHâ‚‚ (2 words)