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Cells

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  • This cell structure directs all the cells activities.
    Nucleus
  • Which two cell parts are found only in plant cells?
    chloropasts and cell wall
  • This cell structure produces most of the energy for the cell.
    Mitochondria
  • What is the job of red blood cells?
    Carry oxygen to the body,
  • How would Casey know that an object she sees under the microscope is living?
    She sees cells of that object.
  • This is a cell structure that controls which substances leave and enter a cell.
    Cell Membrane
  • Which one of these is true about multicellular organisms? a. All cells do the same job. b. Each cell in the body has different organelles. c. different cells do different jobs
    c
  • When an organism is made of just one cell it is called?
    Unicellular
  • Which invention allowed us to see cells?
    Microscope
  • A cell is a eukaryote if it has a?
    nucleus
  • True or False: Cell division is important because new cells are made for growth, to replace dead cells, and create new organism.
    True
  • What is the rigid layer of material that surrounds and protects a plant cell called?
    Cell wall.
  • True or False: Cell division is important because new cells are made for growth, to replace dead cells, and create new organism.
    True
  • Can skin cells make blood cells? Explain your answer.
    No skin cells use cell division to make skin cells. Blood cells use cell division to make blood cells.
  • What structure in plant cell captures energy from sunlight and uses it to produce food.
    Chloroplasts
  • The smallest unit that can perform all life processes is called?
    Cell
  • Living organisms that are made of more than one cell are called?
    Multicellular
  • A living thing is made of cells is called an?
    Organism
  • What are the characteristics of a living thing?
    move, reproduce, grow, respond, adapt, made of cells, metabolize
  • All living things are made of cells. Cells are the basic unit of life. All cells come from other cells. This theory is called?
    Cell theory
  • These are tiny structures that carry out a specific job in a cell.
    Organelles