bio 1 words

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Across
  1. 3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. 7. any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions
  3. 8. a material made up of two or more different chemical substance/substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.
  4. 10. A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
  5. 11. the surface or material on or from which an organism lives, grows, or obtains its nourishment.
  6. 13. reaction a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  7. 15. a primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group, and another electronegative atom bearing a lone pair of electrons
  8. 16. to manage your social media so that you have more time for your business.
Down
  1. 1. a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.
  2. 2. energy the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  3. 4. a region on an enzyme that binds to a protein or other substance during a reaction.
  4. 5. a special type of homogeneous mixture composed of two or more substances.
  5. 6. substance that dissolves a solute, resulting in a solution.
  6. 9. a conceptual structure or entity on which something draws or depends.
  7. 12. the number or expression resulting from the multiplication together of two or more numbers or expressions.
  8. 14. a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral.
  9. 17. a substance that acts as a catalyst in living organisms, regulating the rate at which chemical reactions proceed without itself being altered in the process.