Biology Unit 2

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Across
  1. 4. two or more atoms bonded together
  2. 8. the amount of photosynthesis that is done in an area
  3. 10. compound used by cells to store and release energy; made during cellular respiration
  4. 12. Type of energy holding atoms together
  5. 16. organelles in plant cells that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis
  6. 18. unicellular organism that lacks a nucleus
  7. 21. Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
  8. 22. A very large organic molecule composed of many smaller molecules. Carbohydrates, Lipids, Proteins & Nucleic Acids
  9. 27. organism whose cells contain a nucleus and membrane bound organelles
  10. 28. The process in which our cells break down food and turn it into energy that cells need to perform their life functions. Oxygen is needed for this process.
  11. 30. macromolecule made mostly from carbon and hydrogen atoms; provides long-term energy (includes fats, oils, and waxes)
  12. 31. process by which organisms maintain a relatively stable internal environment
  13. 32. Anything that has mass and takes up space (the letters)
Down
  1. 1. An organelle found in large numbers in most cells, in which the processes of cellular respiration and energy production occur.
  2. 2. Process that requires oxygen
  3. 3. a large, fluid-filled organelle that stores not only water but also enzymes, metabolic wastes, and other materials
  4. 5. the substance that controls the quantity of product that can form in a chemical reaction
  5. 6. The process that converts light energy into chemical energy that is stored in glucose or other organic compounds; occurs in plants, algae, and certain prokaryotes.
  6. 7. An organism that obtains organic food molecules by eating other organisms or substances derived from them.
  7. 9. Basic unit of matter
  8. 11. A molecule FORMED as a result of a chemical reaction (outputs)
  9. 13. the process by which cells obtain energy from an energy source without using oxygen
  10. 14. A simple sugar made in the process of photosynthesis which the plants use for energy in Cellular Respiration.
  11. 15. Green pigment located in membranes within the chloroplasts of plants and algae and in the membranes of certain prokaryotes.
  12. 17. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus (includes DNA and RNA)
  13. 19. An organism capable of making its own food
  14. 20. macromolecule that contains carbon, hydrogen, and oxygen. Provides short-term energy (includes starches like potatoes and pasta)
  15. 23. Pores on the leaf where O2 exits and CO2 enters
  16. 24. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  17. 25. elements or compounds that ENTER into a chemical reaction (inputs)
  18. 26. Found in the bonds that hold molecules together (the lines)
  19. 29. Process that does not require oxygen