Biology Chapter 7

53 Questions | Total Attempts: 657

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Biology Chapter 7

Biology chapter 7


Questions and Answers
  • 1. 
    Which of these are always unicellular ?
    • A. 

      Flagella

    • B. 

      Eukaryotes

    • C. 

      Protists

    • D. 

      Prokaryotes

  • 2. 
    Which of these helps the cell keep it's shape, as well aiding cell movement ?
    • A. 

      Rough ER

    • B. 

      Contractile vacuole

    • C. 

      Cytoskeleton

    • D. 

      Smooth ER

  • 3. 
    The organelle labeled B is the _______________
  • 4. 
    Cell structure where proteins are made
  • 5. 
    The structure labeled C is the _______________
  • 6. 
    The structure labeled A is the _______________
  • 7. 
    In prokaryotic cells, the genetic material is found in
    • A. 

      The DNA and RNA

    • B. 

      A single loop

    • C. 

      The nucleus

    • D. 

      The nucleolus

  • 8. 
    Layer that forms the boundary between the inside and outside of a cell
  • 9. 
    Which cell structures do all bacteria and plants have in common ?
    • A. 

      Chloroplasts

    • B. 

      Pili

    • C. 

      A cell wall

    • D. 

      Both (a) and (c)

  • 10. 
    The fluid inside a cell and all of the structures within the fluid
  • 11. 
    The structure labeled D is the _______________
  • 12. 
    The organelle labeled E is the _______________
  • 13. 
    In eukaryotic cells, mitochondria
    • A. 

      Produce ATP

    • B. 

      Make proteins

    • C. 

      Transport materials

    • D. 

      Control cell division

  • 14. 
    The surface area-to-volume ratio of a small cell is
    • A. 

      Not affected by a cell's size

    • B. 

      Less then that of a larger cell

    • C. 

      Equal to that of a larger cell

    • D. 

      Greater than that of a larger cell

  • 15. 
    Why can eukaryotes carry out more specialized functions than prokaryotes can ?
    • A. 

      Prokaryotes are bigger

    • B. 

      Prokaryotes have more organelles

    • C. 

      Eukaryotes are bigger

    • D. 

      Eukaryotes have more organelles

  • 16. 
    The organelle labeled F is a _______________
  • 17. 
    A system of internal membranes that moves proteins and other substances through the cell
  • 18. 
    The organelle labeled G is the _______________
  • 19. 
    Which of the following participate in protein transport ?
    • A. 

      Golgi apparatus, microtubules and cytoplasm

    • B. 

      Enodoplasmic reticulum, Golgi apparatus, and microtubules

    • C. 

      Cytoplasm, enodoplasmic reticulum, and Golgi apparatus

    • D. 

      Nuclear envelope, ribosomes, and enodoplasmic reticulum

  • 20. 
    Cell structures that carry out specific functions
  • 21. 
    Membrane-bound structure that houses cell's DNA
  • 22. 
    Which statements are NOT part of the cell theory
    • A. 

      All cells arise from existing cells

    • B. 

      Cells come in many different sizes

    • C. 

      All living things are made up of one or more cells

    • D. 

      A cell's shape reflects it's function

    • E. 

      Cells are the basic units of structure and function in organism

  • 23. 
    Why are vesicles important in maintaining homeostasis ?
    • A. 

      They produce energy by breaking down the organic compounds

    • B. 

      They make the cell strong

    • C. 

      They aid communication among different parts of the cell

    • D. 

      They store substances, releasing them as the cell needs them

  • 24. 
    The organelle labeled H is the _______________
  • 25. 
    An organelle that helps make and package materials to be sent out of the cell
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