CH2 Cell Structure and Function Life

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Across
  1. 5. a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP
  2. 7. a process by which glucose, a sugar, is broken down into smaller molecules
  3. 8. a macromolecule made up of one or more sugar molecules, which are composed of carbon, hydrogen, and oxygen; usually the body's major source of energy
  4. 11. a membrane-bound organelle that uses light energy and makes food, a sugar called glucose, from water and carbon dioxide in a process known as photosynthesis
  5. 13. are long chains of amino acid molecules
  6. 15. the process during which a cell's vesicles release their contents outside the cell
  7. 19. a fluid inside a cell that contains salts and other molecules
  8. 20. a flexible covering that protects the inside of a cell from the environment outside the cell
  9. 22. organelle that processes energy
  10. 23. the part of a eukaryotic cell that directs cell activities and contains genetic information stored in DNA.
  11. 24. form by joining many small molecules together.
Down
  1. 1. the movement of substances through a cell membrane using the cell's energy
  2. 2. the movement of substances from an area of higher concentration to an area of lower concentration
  3. 3. the process by which molecules pass through a cell membrane using special proteins called transport proteins
  4. 4. are macromolecules that form when long chains of molecules nucleotides join together.
  5. 6. is a series of chemical reactions that convert light energy, water, and C02 into the food-energy molecule glucose and give off oxygen.
  6. 9. the theory that states that all living things are made of one or more cells, the cell is the smallest unit of life, and all new cells come from preexisting cells
  7. 10. is the diffusion of water molecules only through a membrane.
  8. 12. a network of threadlike proteins joined together that gives a cell its shape and helps it move
  9. 14. a stiff structure outside the cell membrane that protects a cell from attack by viruses and other harmful organisms
  10. 16. the process during which a cell takes in a substance by surrounding it with the cell membrane
  11. 17. eukaryotic cells have these other structures which have specialized functions and most are surrounded by membranes.
  12. 18. a reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low
  13. 21. a large macromolecule that does not dissolve in water