Across
- 6. lipid compound derived from fatty acid chains and important in regulating several body processes
- 9. ribose-containing nucleotide that helps manifest the genetic code as protein
- 10. one of the variations of an element in which the number of neutrons differ from each other
- 11. covalent bond formed by dehydration synthesis between two amino acids
- 16. atom with an overall positive or negative charge
- 19. compound consisting of more than two carbohydrate monomers bonded by dehydration synthesis via glycosidic bonds
- 22. liquid mixture in which particles distributed in the liquid settle out over time
- 26. amount of energy greater than the energy contained in the reactants, which must be overcome for a reaction to proceed
- 29. number of protons in the nucleus of an atom
- 32. substance that increases the rate of a chemical reaction without itself being changed in the process
- 34. heavy subatomic particle having no electrical charge and found in the atom’s nucleus
- 36. smallest unit of an element that retains the unique properties of that element
- 39. reactant in an enzymatic reaction
- 41. building block of proteins; characterized by an amino and carboxyl functional groups and a variable side-chain
- 42. monomer of carbohydrate; also known as a simple sugar
- 44. nitrogen-containing base with a single ring structure; cytosine, thiamine, and uracil
- 45. class of nonpolar organic compounds built from hydrocarbons and distinguished by the fact that they are not soluble in water
- 47. sum of the number of protons and neutrons in the nucleus of an atom
- 49. area of space a given distance from an atom’s nucleus in which electrons are grouped
- 51. a lipid compound in which a phosphate group is combined with a diglyceride
- 54. chemical bond in which two atoms share electrons, thereby completing their valence shells
- 57. deoxyribose-containing nucleotide that stores genetic information
- 61. protein or RNA that catalyzes chemical reactions
- 62. type of catabolic reaction in which one or more bonds within a larger molecule are broken, resulting in the release of smaller molecules or atoms
- 63. type of anabolic reaction in which two or more atoms or molecules bond, resulting in the formation of a larger molecule
- 64. substance that does not contain both carbon and hydrogen
- 65. form of energy that is absorbed as chemical bonds form, stored as they are maintained, and released as they are broken
- 66. change in the structure of a molecule through physical or chemical means
Down
- 1. lipid compound composed of a glycerol molecule bonded with three fatty acid chains
- 2. addition of one or more phosphate groups to an organic compound
- 3. unstable, heavy isotope that gives off subatomic particles, or electromagnetic energy, as it decays; also called radioisotopes
- 4. substance that contains both carbon and hydrogen
- 5. pair of carbohydrate monomers bonded by dehydration synthesis via a glycosidic bond
- 7. energy that matter possesses because of its motion
- 8. heavy subatomic particle having a positive charge and found in the atom’s nucleus
- 12. dipole-dipole bond in which a hydrogen atom covalently bonded to an electronegative atom is weakly attracted to a second electronegative atom
- 13. substance composed of two or more different elements joined by chemical bonds
- 14. homogeneous liquid mixture in which a solute is dissolved into molecules within a solvent
- 15. one or more substances that enter into the reaction
- 17. solution containing a weak acid or a weak base that opposes wide fluctuations in the pH of body fluids
- 18. outermost electron shell of an atom
- 20. compound that releases hydrogen ions (H+) in solution
- 21. type of chemical reaction in which bonds are both formed and broken, resulting in the transfer of components
- 23. two or more atoms covalently bonded together
- 24. physical substance; that which occupies space and has mass
- 25. electrical force linking atoms
- 26. atom with a negative charge
- 27. nucleotide containing ribose and an adenine base that is essential in energy transfer
- 28. number of particles within a given space
- 30. liquid mixture in which the solute particles consist of clumps of molecules large enough to scatter light
- 31. stored energy matter possesses because of the positioning or structure of its components
- 33. large molecule formed by covalent bonding
- 35. covalent bond formed within a polypeptide between sulfide groups of sulfur-containing amino acids, for example, cysteine
- 37. group of atoms linked by strong covalent bonds that tends to behave as a distinct unit in chemical reactions with other atoms
- 38. compound that accepts hydrogen ions (H+) in solution
- 40. nitrogen-containing base with a double ring structure; adenine and guanine
- 43. class of organic compounds that are composed of many amino acids linked together by peptide bonds
- 46. negative logarithm of the hydrogen ion (H+) concentration of a solution
- 48. (also, sterol) lipid compound composed of four hydrocarbon rings bonded to a variety of other atoms and molecules
- 50. substance that cannot be created or broken down by ordinary chemical means
- 52. class of organic compounds built from sugars, molecules containing carbon, hydrogen, and oxygen in a 1-2-1 ratio
- 53. subatomic particle having a negative charge and nearly no mass; found orbiting the atom’s nucleus
- 55. molecule with regions that have opposite charges resulting from uneven numbers of electrons in the nuclei of the atoms participating in the covalent bond
- 56. atom with a positive charge
- 58. class of organic compounds composed of one or more phosphate groups, a pentose sugar, and a base
- 59. attraction between an anion and a cation
- 60. one or more substances produced by a chemical reaction