science

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Across
  1. 3. an organelle found in plant and algae cells where photosynthesis occurs
  2. 5. transports nutrients made in leaf cells to all parts of the plant
  3. 8. a change in the nucleotide base sequence of a gene or DNA molecule
  4. 11. the maintenance of a constant internal state in changing an environment
  5. 12. a small structure in a cell that is surrounded by a membrane and has a specific function
  6. 15. helix shape of DNA
  7. 16. carbs
  8. 17. having 2 identical alleles of a particular gene
  9. 18. the region of the cell within the membrane that includes the cytoskeleton, and the organelles except the nucleus
  10. 20. the duplication of a DNA molecule
Down
  1. 1. an organism that has one dominant and one recessive allele
  2. 2. the tissue that transports water and minerals from the roots to the rest of the plant
  3. 4. during this an organism develops tiny buds on its body
  4. 6. a nutrient your body needs to grow and repair cells, and to work properly
  5. 7. square a graphic used to predict the results of a genetic cross
  6. 9. a green pigment that captures energy for photosynthesis
  7. 10. the entire makeup of an organism
  8. 13. a fat molecule
  9. 14. an organisms appearance or other characteristics
  10. 19. the diffusion of water through a semipermeable membrane