MOLECULAR GENETICS CROSSWORD

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Across
  1. 3. Different atoms of the dame element containing the same number of protons but a different number of neutrons
  2. 5. Transcription commences in both prokaryotes and eukaryotes when the enzyme RNA polymerase binds to the segment of DNA that is to be transcribed and opens the double helix
  3. 7. Segments of DNA that code for part of a specific protein
  4. 8. The pairing of complementary strands of DNA through hydrogen bonding
  5. 9. Group of three complementary bases on tRNA that recognizes and pairs with a codon on the mRNA
Down
  1. 1. Non-coding region of a gene
  2. 2. Process of replication in which each DNA molecule is composed of one parent strand and one newly synthesized strand
  3. 4. Changes in the DNA sequence that are inherited
  4. 6. A sequence of nucleotides in DNA that performs a specific function such as coding for a particular protein
  5. 10. helicase The enzyme that unwinds double-helical DNA by disrupting hydrogen bonds