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  1. Consists of two long chains of nucleotides that form a double helix.
  2.  
  3. `RNA          `nucleotide         `double helix         `DNA
  4.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   Multiple choice - please select the best answer that fits the description or fills in the blank.
  5.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    D                                                                        Complementary codon to the codon, found on the tRNA molecule.
  6.  
  7. `AUG        `UAG        `codon        `anticodon
  8.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Multiple choice - please select the best answer that fits the description or fills in the blank.
  9.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    D                                                                        Period in protein synthesis where protein is formed by linking amino acids.
  10.  
  11. `initiation       `elongation         `termination         `complementary base pairing
  12.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Multiple choice - please select the best answer that fits the description or fills in the blank.
  13.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    B                                                                        The nucleotide chains that form DNA - the chains twist around themselves in the form of a spiral staircase.
  14.  
  15. `RNA        `nucleotide         `double helix        `DNA
  16.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Multiple choice - please select the best answer that fits the description or fills in the blank.
  17.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C                                                                        The nucleic acid that carries out the instructions of the DNA.  Has only two differences from DNA - the carbohydrate ribose (instead of deoxyribose), and the nitrogenous base uracil (instead of thyamine).
  18.  
  19. `RNA          `nucleotide         `double helix        `DNA
  20.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Multiple choice - please select the best answer that fits the description or fills in the blank.
  21.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A                                                                        The process by which DNA makes copies of itself; duplication talked about during the S stage of interphase in the cell cycle.
  22.  
  23. `translation         `transcription         `replication         `base pairing
  24.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Multiple choice - please select the best answer that fits the description or fills in the blank.
  25.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C                                                                        Process by which DNA "unzips" and codes a strand of mRNA in the nucleus - one of the first stages in protein synthesis.
  26.  
  27. `translation          `transcription           `replication            `base pairing
  28.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Multiple choice - please select the best answer that fits the description or fills in the blank.
  29.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    B                                                                        Indicates the start of protein synthesis indicated by the start codon.
  30.  
  31. `initiation         `elongation          `termination           `complementary base pairing
  32.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Multiple choice - please select the best answer that fits the description or fills in the blank.
  33.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A                                                                        The mRNA is "read" and formed into a protein containing amino acids that were gathered and brought to the mRNA by tRNA.
  34.  
  35. `translation          `transcription          `replication            `complementary base pairing
  36.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Multiple choice - please select the best answer that fits the description or fills in the blank.
  37.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    A                                                                        Describes the pairing of nitrogenous bases during replication, purine bases pair with pyrimidine bases (A-T ; G-C ; A-U).
  38.  
  39. `translation        `transcription        `replication         `complementary base pairing
  40.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Multiple choice - please select the best answer that fits the description or fills in the blank.
  41.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    D                                                                        End of protein synthesis indicated by the stop codon UAG.
  42.  
  43. `initiation        `elongation        `termination        `complementary base pairing
  44.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     Multiple choice - please select the best answer that fits the description or fills in the blank.
  45.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C                                                                        Groups of 3 nucleotides.  Each serves as a code word for and amino acid.
  46.  
  47. `AUG        `UAG        `codon        `anticodon
  48.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Multiple choice - please select the best answer that fits the description or fills in the blank.
  49.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C                                                                        Part of the nucleotide.  They are made up of purines and pyrimidines.
  50.  
  51. `ribose          `deoxyribose          `nitrogenous bases           `phosphate
  52.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Multiple choice - please select the best answer that fits the description or fills in the blank.
  53.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    C                                                                        Consists of a nitrogenous base, a phosphate group, and a molecule of deoxyribose.
  54.  
  55. `RNA           `nucleotide         `double helix             `DNA
  56.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Multiple choice - please select the best answer that fits the description or fills in the blank.
  57.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    B