Bio Semester 2 Review Crossword

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Across
  1. 4. The products of meiosis
  2. 5. The regulation of water in cells
  3. 6. This cycles through an ecosystem
  4. 8. Single stranded nucleic acid molecule that copies genetic information from DNA
  5. 10. A source of genetic variation during meiosis
  6. 11. Structure that separates the interior of a cell from its environment
  7. 12. An enzyme at the wrong pH or temperature might
  8. 14. The purpose of this process is to generate genetic diversity
  9. 16. One of the products of photosynthesis
  10. 17. Genes code for the synthesis of these molecules
  11. 19. The process by which atmospheric nitrogen is made available to the biosphere
Down
  1. 1. Movement of water across a semi-permeable membrane
  2. 2. This flows through an ecosystem
  3. 3. The maximum, stable population an ecosystem can support
  4. 7. Structures responsible for protein synthesis
  5. 9. One of the reactants of photosynthesis
  6. 11. An enzyme that speeds up chemical reactions
  7. 13. Maintains internal balance necessary for an organism's survival
  8. 15. Alters the genetic sequence and potentially the amino acid sequence of a protein
  9. 18. Molecules that act to slow down or stop enzymatic activity