Biology - Unit 1

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Across
  1. 1. Simplest type of sugar.
  2. 3. Nucleic acids are composed of ________ main parts.
  3. 5. Repels water.
  4. 6. Basic unit of matter.
  5. 7. ________ data. Data based on numbers.
  6. 10. A large molecule made of many smaller molecules.
  7. 15. Type of biomolecule composed only of carbon, hydrogen, oxygen, hydrogen, and nitrogen.
  8. 16. Attraction between molecules of different substances.
  9. 18. A type of biomolecule that is a common source of energy for us, essentially sugar.
  10. 22. Max number of electrons on the second orbital shell of an atom
  11. 24. Substance made of only one type of atom.
  12. 26. Type of biomolecule that stores energy and helps form cell membranes.
  13. 28. Ionic bonds occur between a non-metal and a ________.
  14. 29. ________ fatty acid. Type of fat containing carbons joined only by single bonds.
  15. 31. Attracted to water.
  16. 33. ________ bonds. Chemical bond formed when atoms share electrons.
  17. 35. Mixture of water and an undissolved material.
  18. 38. ________ data. Data based on observations.
  19. 39. Chemical reactions that occur within an organism to maintain life.
  20. 42. Monomer of nucleic acid.
  21. 44. The study of living things
  22. 45. Atoms that differ in number of neutrons but are still of the same element.
  23. 46. The only biomolecule this chemical element is found in is nucleic acids.
  24. 47. Scientific ________. Describes a natural phenomenon that appears to be universally true.
  25. 49. ________ structure. Protein structure composed of a chain of amino acids.
  26. 52. small units that make up polymers
  27. 53. ________ inhibition. When molecules sit in the allosteric site of an enzyme and change its shape to keep it from working.
  28. 54. ________ acids. Biomolecule that includes DNA and RNA.
  29. 56. Subatomic particle with a positive charge.
  30. 57. ________ group. A group in an experiment that experiences the same conditions as the group(s) being studied, but without the independent variable.
  31. 58. Polymer of proteins.
  32. 59. Weak acid/base used to prevent sudden changes in pH.
  33. 60. ________ shell. Outer orbital shell of an atom.
Down
  1. 2. ________ forces. Forces that hold atoms in a molecule together
  2. 4. ________ action. Water rising in a tube.
  3. 8. A substance made of multiple elements that have been chemically joined.
  4. 9. There are ________ major types of biomolecules.
  5. 10. Material composed of at least two elements/compounds. Physically mixed together, not chemically combined.
  6. 11. Biological catalyst
  7. 12. ________ synthesis. Chemical reaction that combines two small molecules by taking away water.
  8. 13. ________ number. Total number of protons and neutrons in the nucleus of an atom.
  9. 14. ________ variable. The variable in an experiment that is being changed.
  10. 17. ________ bonds. A chemical bond formed when electrons are passed between atoms
  11. 19. A state of stability for an organism
  12. 20. The process of adding water to a compound in order to split it up.
  13. 21. Glassware used to store and measure liquid.
  14. 23. The hydrolysis of phosphate groups in ATP is a highly ________ reaction.
  15. 25. Unlike saturated fatty acid, unsaturated fatty acid contains at least one ________ bond between carbon atoms.
  16. 27. Attraction between molecules of the same substance
  17. 30. ________ experiment. An experiment done in a lab.
  18. 32. The process of using energy to add two small molecules together.
  19. 34. Substance that dissolves the solute in a solution.
  20. 36. ________ structure. Type of structure in proteins that consists of a 3D, bundled up amino acid chain.
  21. 37. ________ experiment. Type of experiment where things are observed and analyzed as they occur naturally.
  22. 40. substance on which an enzyme acts
  23. 41. ________ forces. The forces that exist between molecules.
  24. 43. ________ variable. The factor/condition in an experiment that is being measured.
  25. 48. ________ site. Part of an enzyme that binds to the other substance in a reaction.
  26. 50. ________ reasoning. Making general statements from specific examples.
  27. 51. Element with two or more forms.
  28. 54. ________ hypothesis. The prediction that there is no relationship between two variables.
  29. 55. ________ reaction. Chemical reaction that consumes energy.