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CELL

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  • Substances made by ribosomes and used by the cell
    protein
  • An organelle that captures energy from sunlight and helps cells make food
    chloroplast
  • The order cell → tissue → organ → organ system → organism
    levels of organization
  • A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell
    cell membrane
  • Small structures that make proteins for use in the cell
    ribosomes
  • A cell that does not have a cell wall or chloroplasts and usually has smaller vacuoles
    animal cell
  • A complete living thing
    organism
  • A cell that has a cell wall, chloroplasts, and usually a large vacuole
    plant cell
  • A group of organs that work together to perform a major function
    organ system
  • The smallest living unit
    cell
  • A large oval organelle that contains the cell's genetic material and controls many of the cell's activities
    nucleus
  • An organism that is made of many cells
    multicellular organism
  • A group of similar cells that work together to perform a specific function
    tissue
  • Organelles that break down food particles and old cell parts
    lysosomes
  • A substance that gives color and can absorb light
    pigment
  • An organelle that receives, packages, and distributes proteins and other materials
    Golgi apparatus
  • Organelles that convert energy stored in food into energy the cell can use
    mitochondria
  • Material that contains the instructions for cell activities
    genetic material
  • A structure inside the nucleus that produces ribosomes
    nucleolus
  • The material that contains the genetic information of the cell
    DNA
  • A structure made of different tissues working together
    organ
  • The job or activity that something performs
    function
  • An organelle with a network of membranes that processes many substances, including proteins and lipids
    endoplasmic reticulum (ER)
  • A sac-like organelle that stores water, food, or other materials needed by the cell
    vacuole
  • The rigid supporting layer that surrounds the cells of plants and some other organisms
    cell wall
  • The way something is built or arranged
    structure
  • A tiny cell structure that performs a specific function within the cell
    organelle
  • A green pigment that collects energy from sunlight
    chlorophyll
  • A clear, gel-like fluid that fills the region between the cell membrane and the nucleus
    cytoplasm
  • Cells that perform specific functions
    specialized cells
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