Biology Vocab 2

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Across
  1. 1. organelle found in cells of plants and some other organisms that capture energy from sunlight and convert it into chemical energy
  2. 5. envelope Layer of two membranes that surrounds the nucleus of a cell
  3. 7. strong supporting layer around the cell membrane in plants, algae, and some bacteria
  4. 8. when comparing two solutions, the solution with the greater concentration of the solutes
  5. 10. network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement
  6. 11. when the concentration of a solute is the same throughout a solution
  7. 13. process of which a cell releases a large amount of material
  8. 15. Diffusion of water through a selectively permeable membrane
  9. 17. group of similar cells that perform a particular function
  10. 18. energy requiring process that moves materials across a cell membrane against a concentration difference
  11. 19. process by which a cell takes material into the cell by infolding of the cell membrane
  12. 20. movement of specific molecules across cell membranes through protein channels
  13. 24. organism whose cells contains a nucleus
  14. 25. stack of membranes in the cell that modifies, sorts, and packages from the endoplasmic reticulum
  15. 27. Small particle in the cell on which proteins are assembled, made up of RNA and protein
  16. 28. process in which extensions of cytoplasm surround and engulfs large particles and take them into the cell
  17. 29. The center of the atom which contains the protons and neutrons
  18. 31. cell organelle that stores materials such as water, salts, proteins, and carbohydrates
  19. 32. thin flexible barrier around a cell, regulates what enters and leaves the cell
  20. 33. Small dense region within the most nuclei in which the assembly of proteins begins
  21. 37. when comparing two solutions, the solution with the lesser concentration of the solutes
Down
  1. 2. double layered sheet that forms the core of nearly all cell membranes
  2. 3. idea that all living things are composed of cells, cells are the basic unit of structure and function in living things, and new cells are produced from existing cells
  3. 4. The mass of solute in a given volume of solution
  4. 6. threadlike structure within the nucleus containing genetic information that is passed from one generation of cells to the next
  5. 7. granular material visible within the nucleus, consists of DNA tightly coiled around proteins
  6. 9. separate roles for each type of cells in multicellular organisms
  7. 12. process by which a cell takes liquid from the surrounding environment
  8. 14. system group of organs that work together to preform a specific function
  9. 16. process by which molecules tend to move from one area where they are more concentrated to one where they are less
  10. 19. internal membrane system in cells in which lipid components of the cell membrane are assembled and some proteins are modified
  11. 21. cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
  12. 22. material inside the cell membrane-not including the nucleus
  13. 23. single-celled organism lacking a nucleus
  14. 26. Specialized structure that preforms important cellular functions within a eukaryotic cell
  15. 30. collection of living matter, basic unit of life
  16. 34. One of two tiny structures located in the cytoplasm of animal cells near the nucleus envelope
  17. 35. when the concentration of two solutions is the same
  18. 36. cell organelle filled with enzymes needed to break down certain materials in the cell