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2011-12-12 19:34:50
Biology Review Nine Cell Structure

A review over cell structure terms.
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  1. Mutation
    A change in DNA.
  2. Gene
    A segment of DNA.
  3. Unicellular
    Entire organism is only one cell.
  4. Multicellular
    Organism is made of more than one cell.
  5. Prokaryotic
    Cell has no nucleus.
  6. Eukaryotic
    Cell has a nucleus.
  7. Anabolism
    Building complex substances from simple substances.
  8. Metabolism
    The sum of all chemical reactions in an organism.
  9. Catabolism
    Breaking down complex substances to make simple substances to release energy.
  10. Autotrophs
    Make their own food.
  11. Heterotrophs
    Consume other organisms.
  12. Homeostasis
    Conditions that must be maintained by an organism to stay alive.
  13. Sexual Reproduction
    • Two parent organisms reproduce.
    • Results in genetically unique offspring.
  14. Asexual Reproduction
    • A single parent organism reproduces.
    • Results in genetically identical offspring.
  15. Stimulus
    Anything that causes a response in an organism.
  16. Cell
    The smallest unit that can perform all life processes.
  17. Tissue
    A group of similar cells that perform a common function.
  18. Organ.
    A collection of tissues that carries out a specialized function.
  19. Organ System
    A group of organs that work together to perform body functions.
  20. Rough Endoplasmic Reticulum
    Covered in ribosomes.
  21. Smooth Endoplasmic Reticulum.
    Not covered in ribsomes.
  22. Cilia
    • Hair-like structures that project from the surfaces of some cells.
    • Usually assist in movement.
  23. Flagella
    • A long tail-like structure that is propelled in a whip-like motion.
    • Allows the cell to move.
  24. Nucleolus
    Responsible for making ribosomes.
  25. Cytoplasm
    Cushions all organelles.
  26. Central Vacuole
    A large sac found in plant cells that contains water and wastes.
  27. Chloroplast
    • The site of photosynthesis.
    • Contains chlorophyll.
  28. Ribosomes
    Site of protein synthesis.
  29. Golgi Apparatus
    Packages proteins to be transported out of cell.
  30. Lysosome
    Contains enzymes to break down food, wastes, or broken cell parts.
  31. Mitochondria
    The site of cellular respiration.
  32. Hierarchy of Organization
    • Atoms
    • Elements
    • Molecules -or- Compounds
    • Cells
    • Tissues
    • Organs
    • Organ Systems
    • Organisms
  33. Another name for the plasma membrane is the __________.
    Fluid Mosaic Model.