science test preporation

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science test preporation
2010-11-22 22:23:50
science test cell school

Study to prepare for the test.
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  1. What is the fundamental unit of life?
  2. What are the complex structures inside cells called?
  3. What cell has a chloroplast?
    A typical plant cell.
  4. which bacterium cell has chlorophyll?
  5. What does lysosome do?
    Stores enzymes used for digesting a cell's food or waste.
  6. What does the mitochondrion do?
    It breaks down food and liberates energy for the cell to use.
  7. What does the nucleus do?
    Regulates the production of proteins.
  8. What does the water vacuole do?
    It collects and expels water from the cell.
  9. What does the central vacuole do?
    It stores water and waste products.
  10. What does a food vacuole do?
    A food vacuole merges with lysosome to digest the nutrients.
  11. What does the ribosome do?
    Ribosomes assemble proteins from raw materials, following directions from the nucleus.
  12. What are the smallest units of an element?
  13. What is the order in the ribbon of life?
    • Atoms, Molecules, Organelles, Cells, Tissues, Organs, Systems, Complex
    • Multicellular Organisms.
  14. What do all living things do?
    Responds to enviroment, reproduces, grows, has a gas exchange, eliminates waste, needs water, needs energy.
  15. What are tissues?
    A bunch of cells wprking together.
  16. What are organs?
    Two or more tissues working together.
  17. What are molecules?
    Combinations of atoms together.
  18. What are systems?
    Organs and tissues working together.
  19. What do all cells have?
    Cytoplasm, Cell membrane, and ribosome.
  20. What kind of cells are eukaryotic?
    Animal cells, plant cells, and protist cells.
  21. What cell is a prokaryotes?
  22. What organelles do all eukaryotes cells have?
    Mitochondrion, Nucleus, Ribosome, Endoplasmic Reticulum, Golgi Body, Cell Membrane, and Cytoplasm.