Biology Vocabulary Review

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Across
  1. 2. having a low concentration of solute compared to a cell
  2. 3. a symbiotic relationship in which one organism benefits while the other organisms are harmed
  3. 5. expressed only when no dominant allele is present
  4. 8. an interaction in which two or more organisms try to use the same resources
  5. 10. a consumer that feeds only or mostly on other consumers
  6. 14. an organelle in which photosynthesis occurs
  7. 17. the type of RNA that carries instructions from DNA in the nucleus to where they will be translated
  8. 19. a virus that infects bacteria
  9. 22. an organelle where cells make new proteins
  10. 24. diffusion the movement of substances across a cell membrane with the aid of carrier molecules embedded in the membrane.
  11. 25. transport the movement of materials into or out of the cell against the concentration gradient
  12. 26. a group of similar cells working together tp perform a specific function
  13. 27. an organism that gets energy from organic wastes and dead organisms
  14. 29. a cell structure that directs and controls most cell activities
  15. 32. conversion of the information carried in mRNA into a sequence of amino acids that make up a protein
  16. 33. a symbiotic relationship which both species benefit
  17. 34. an organism that obtains energy by eating other organisms
  18. 35. an interaction in which one organism kills and eats another
Down
  1. 1. the form of a trait an organism displays
  2. 2. having a high concentration of solute compared to a cell
  3. 4. an interdependent relationship between organisms of two different species
  4. 6. respiration the process by which all living things obtain energy from chemical bonds in food molecules
  5. 7. an organic catalyst that controls the rate of chemical reactions in the body
  6. 8. an organic molecule composed of carbon, hydrogen, and oxygen
  7. 9. web a model that shows the overlapping food chains in an ecosystem
  8. 11. the process that uses DNA as a template to make a complementary strand of RNA
  9. 12. the nucleic acid that carries the genetic information of all organsms
  10. 13. a symbiotic relationship in which one organism benefits and the other is neither helped or harmed
  11. 15. transport the movement of materials into or out of the cell without the expenditure of energy
  12. 16. having two matching alleles for a trait
  13. 18. one of two or more forms of a gene
  14. 20. having two different alleles for a trait
  15. 21. the movement of water molecules through a membrane from a place of higher concentration to place of lower concentration
  16. 23. the process in which DNA makes a copy of itself
  17. 28. an organism composed of cells that have a nucleus and membrane-bound organelles
  18. 30. an organism composed of a cell that lacks a distinct nucleus and membrane- bound organelles
  19. 31. having equal concentrations of solute on both sides of a membrane