Biology Chapter 7

53 Questions | Total Attempts: 528

SettingsSettingsSettings
Please wait...
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
  • 26. 
    An organelle that uses light energy to make sugar from carbon dioxide and water
  • 27. 
    An organelle that uses energy from organic compounds to make ATP
  • 28. 
    Cell structure with its own membrane that stores the cell's genetic material
  • 29. 
    The organelle labeled I is the _______________
  • 30. 
    What is the main fuction of a cell's nucleous ?
    • A. 

      Store DNA

    • B. 

      Make proteins

    • C. 

      Assemble ribosomes

    • D. 

      Channel substances

  • 31. 
    A small sac formed from part of a membrane
  • 32. 
    The outer boundary of a cell
  • 33. 
    Contains specific enzymes to break down large molecules
  • 34. 
    The structure labeled J is the _______________
  • 35. 
    Cell fluid and structures
  • 36. 
    Cell structure where proteins are made
  • 37. 
    When a cell makes proteins that are to be transported outside the cell, the proteins are packaged in the _______________ _______________, modified and repackaged in the Golgi apparatus, and then transported to the cell membrane.
  • 38. 
    Check check all cell features that are found in both prokaryotes and eukaryotes
    • A. 

      Capsule

    • B. 

      DNA

    • C. 

      Nucleus

    • D. 

      Cytoplasm

    • E. 

      Ribosomes

  • 39. 
    Scientists first discovered cells by using a (n) _______________.
  • 40. 
    A cell's boundary is called the _______________.
  • 41. 
    _____________ are cell structures common to both prokaryotes and eukaryotes on which proteins are made.
  • 42. 
    Eukaryotes differ from prokaryotes in that only eukaryotic cells have a (n) _______________ and membrane-bound organelles.
  • 43. 
    The nucleus has a double membrane, called the nuclear envelope, that helps protect a cell's _______________ from becoming damaged or lost.
  • 44. 
    The function of ribosomes is to
    • A. 

      Copy DNA

    • B. 

      Organize the nucleus

    • C. 

      Store gentic material

    • D. 

      Assemble proteins

  • 45. 
    What makes up the cytoskeleton ?
    • A. 

      Cellulose

    • B. 

      Proteins

    • C. 

      Bones

    • D. 

      Flagella

  • 46. 
    Organelles that use light energy to make surgar from water and carbon dioxide are called _______________.
  • 47. 
    Which specialized structures allow prokaryotes to move quickly through their environment ?
    • A. 

      Flagella

    • B. 

      Pili

    • C. 

      Nuclei

    • D. 

      Mitochondria

  • 48. 
    In plant cells, rigidity is provided by a large, membrane-bound sac called the _______________  _______________.
  • 49. 
    Vesicles which contain enzymes that break down large molecules are called _______________.
  • 50. 
    The _______________ is a network of protein fibers that supports a cell and aids in its movement.
  • 51. 
    A (n) _______________ is made up of different kinds of tissues arranged together to perform a specific function.
  • 52. 
    A collection of identical cells that live together as a group, although individuals can survive on their own, is called a (n) _______________ _______________.
  • 53. 
    Cells in a (n) _______________ organism cannot survive on their own.