Valentine's Day Crossword

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Across
  1. 1. you are the ------- to my adenine
  2. 3. what biological process did franz kafka's most famous character, gregor samsa undergo
  3. 4. organ that is often used as a symbol of love
  4. 5. species at the top-most trophic level
Down
  1. 2. the power house of the cell
  2. 3. Monk who mapped out genetic relationships with pea plants