Biology Vocab 5.1

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Across
  1. 3. organisms an organism that consists of only one cell
  2. 5. protects the cell
  3. 6. single cells take on specific tasks, such as reproducing, moving the colony, and removing wastes, but individual cells can break away from the colony and function on their own
  4. 8. line up amino acid to make proteins
  5. 10. Organism organism with more than one cell
  6. 12. vacuole stores water, starch, and pigments in plant cells
  7. 15. Control center of the cell
  8. 17. builds parts for the cytoskeleton
  9. 19. little organs
  10. 21. An organism whose cells lack a nucleus and some other cell structures
  11. 22. system group of organs that work together to perform a specific function
  12. 24. extensions of the cytoskeleton
  13. 25. membrane A cell structure that controls which substances can enter or leave the cell.
  14. 26. Clusters of DNA, RNA, and proteins in the nucleus of a cell
  15. 27. An organelle containing digestive enzymes
  16. 28. bilayer gives cell membranes a flexible structure that forms a strong barrier between the cell and its surroundings
Down
  1. 1. A long, hairlike structure that grows out of a cell and enables the cell to move.
  2. 2. An organism whose cells contain a nucleus
  3. 4. Found inside the nucleus and produces ribosomes
  4. 7. an assembly of similar cells
  5. 9. Different tissues that work together to perform a specific function
  6. 11. An organelle found in plant and algae cells where photosynthesis occurs
  7. 12. network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement
  8. 13. wall strong, supporting layer around the cell membrane in some cells
  9. 14. Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
  10. 16. Endoplasmic Reticulum Transports compounds around the cell and helps maintain the cell's shape; processes fats and breaks down toxic substances in liver cells.
  11. 17. theory idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  12. 18. A stack of thylakoids in a chloroplast
  13. 20. apparatus a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
  14. 23. found in prokaryotes; contains the genetic material for the cell; floats freely in the cytosol
  15. 24. A jellylike fluid inside the cell in which the organelles are suspended