Biology Vocabulary Review

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Across
  1. 2. The variable that is measured and affected in the experiment.
  2. 3. A single subunit that can join together to form polymers.
  3. 5. The movement of water across a selectively permeable membrane.
  4. 8. A statement based on repeated experimental observations that describes some aspects of the universe.
  5. 12. A group of organic compounds that are insoluble in water, including fats and oils. It is generally made of a glycerol and three fatty acid tails
  6. 14. Factors in an experiment that remain the same throughout.
  7. 16. The process by which cells take in substances by engulfing them in a vesicle.
  8. 18. The process by which cells expel substances in vesicles.
  9. 19. A well-substantiated explanation of an aspect of the natural world based on a body of evidence.
  10. 21. The group in an experiment that receives the treatment.
  11. 23. Building blocks of proteins
  12. 25. Simple, single-celled organisms without a nucleus.
  13. 26. Basic unit of life.
  14. 27. Selectively permeable barrier surrounding the cell.
  15. 28. The region on the enzyme where the substrate binds, facilitating the chemical reaction.
  16. 29. A conclusion reached on the basis of evidence and reasoning.
  17. 30. The first step in cellular respiration that converts glucose into pyruvate, producing a small amount of ATP.
Down
  1. 1. The group in an experiment that does not receive treatment and is used for comparison.
  2. 4. The action or process of observing something or someone to gain information.
  3. 6. Complex cells with a nucleus.
  4. 7. Powerhouse of the cell, produces energy.
  5. 9. Storage organelle in plant cells.
  6. 10. Tiny structures where proteins are synthesized.
  7. 11. An objective statement that can be verified or proven true.
  8. 13. The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
  9. 15. Organelle that contains digestive enzymes to break down waste.
  10. 17. Substance that increases the rate of a chemical reaction.
  11. 20. Small membrane-bound sacs for transport within the cell.
  12. 22. The green pigment found in plants that is essential for photosynthesis.
  13. 24. The variable that is changed or controlled in a scientific experiment to test its effects.