CELLS TEST (2)

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CELLS TEST (2)
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2011-11-27 16:33:39
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  1. What are the basic units of life called?
    CELLS
  2. What three things does the cell theory state?
    • 1. ALL LIVING THINGS ARE MADE UP OF CELLS
    • 2. CELLS ARE THE BASIC UNITS OF STRUCTURE AND FUNCTION IN LIVING THINGS
    • 3. NEW CELLS ARE PRODUCED FROM EXISTING CELLS
  3. How do microscopes work?
    MICROSCOPES use lenses to magnify the image of an object by focusing light or electrons.
  4. What is the name for the thin flexible barrier that surrounds cells?
    the CELL MEMBRANE.
  5. What is the term for the large membrane enclosed structure that contains genetic material in the form of DNA and controls many cell activities?
    the NUCLEUS.
  6. What type of cell encloses its DNA in nuclei?
    EUKARYOTES
  7. Any living thing is called a(n) _________.
    ORGANISM
  8. The maintaining of internal conditions is known as __________.
    HOMEOSTASIS
  9. What is the term for the obtaining and using of materials for energy?
    a METABOLISM.
  10. What must all living structures contain?
    GENETIC INFORMATION.
  11. What is a universal characteristic of all living things?
    GROWING AND DEVELOPING.
  12. The basic unit(s) of structure and function in all living things is/are known as ________.
    CELLS
  13. How are new cells reproduced?
    from EXISTING CELLS.
  14. What is the general term for structures inside a cell that carry out the cell's functions?
    ORGANELLES.
  15. All ________ are __________ but not all ________ are ___________.

    A) organelles, structures, structures, organelles
    B) organelles, nuclei, nuclei, organelles
    C) nuclei, organelles, organelles, nuclei
    D) structures, organelles, organelles, structures
    A) organelles, structures, structures, organelles
    (this multiple choice question has been scrambled)
  16. What three things does every type of cell have?
    a CELL MEMBRANE, GENETIC INFORMATION, and a CYTOPLASM.
  17. What part of the cell composes a cell's outer layer and is made up of lipids (fats)?
    the CELL MEMBRANE.
  18. A cell's ____________ controls what enters and exits the cell, thus is selectively permeable.
    CELL MEMBRANE
  19. The blueprint of an organism is known as its _______________.
    GENETIC INFORMATION.
  20. A cell's ______________ tells the cell how to build itself and how to function.
    GENETIC INFORMATION
  21. What comprises the "brain" of a cell?
    a cell's GENETIC INFORMATION.
  22. Where is GENETIC INFORMATION stored?
    in the DNA or RNA of a cell.
  23. The fluid inside of a cell is known as the cell's _____________.
    CYTOPLASM
  24. The "blood" of a cell is contained in the cell's ______________.
    CYTOPLASM
  25. In what part of a cell is the cell's DNA found?
    the cell's NUCLEUS.
  26. What cell structure modifies protein and has ribosomes embedded in its surface?
    the ROUGH ENDOPLASMIC RETICULUM.
  27. What part of a cell synthesizes non-protein materials for the cell and has no ribosomes?
    the SMOOTH ENDOPLASMIC RETICULUM.
  28. What structure(s) synthesize(s) protein for a cell?
    RIBOSOMES.
  29. A cell's ___________ packages and ships proteins.
    GOLGI APPARATUS
  30. What part of a cell converts the energy stored in compounds into usable energy?
    the cell's MITOCHONDRIA.
  31. What part of a plant cell converts light energy into energy storing compounds?
    the CHLOROPLASTS of a plant cell.
  32. Waste materials and old organelles are broken down by ____________.
    LYSOSOMES
  33. Short hairlike projections that move materials accross the cell are known as ________.
    CILLIA
  34. The framework of a cell that is made of microtubes is called the cell's ____________.
    CYTOSKELETON
  35. The long whiplike tail that is used to move the cell is called a __________.
    FLAGELLA
  36. The small packet of materials and storage units inside a cell is called the cell's _________.
    VACUOLE
  37. What do the large VACUOLES in plant cells specifically hold?
    WATER.
  38. The extra layer of protection and support outside the cell membrane is called a _________.
    CELL WALL
  39. A cell's _________ is made exclusively of carbohydrates.
    CELL WALL
  40. What part of a cell is made of microtubels and is used in cell division?
    the CENTRIOLE.
  41. The small membrane surrounded packets in a cell are called _________.
    VESICLES
  42. A cell's ________ holds matter for a greater amount of time than the cell's ________.
    VACUOLE, VESICLE
  43. What are the 8 criteria/characteristics for LIVING THING?
    It must:

    • 1. GROW AND DEVELOP
    • 2. REPRODUCE
    • 3. BE MADE UP OF 1 OR MORE CELLS
    • 4. CONTAIN GENETIC INFORMATION
    • 5. EVOLVE OVER TIME
    • 6. INTERACT WITH ITS ENVIRONMENT
    • 7. MAINTAIN HOMEOSTASIS
    • 8. HAVE A METABOLISM
  44. Blood or water with the same solutes dissolved in it is called a(n) _____________.
    OUTSIDE SOLUTION
  45. Water is __________ permiable to membranes.

    a) selectively
    b) freely
    b) freely
  46. Mixtures in which one substance is dissolved in another are known as __________.
    SOLUTIONS
  47. ________ can be taken apart, but __________ cannot be taken apart.

    a) mixtures, compounds
    b) compounds, mixtures
    a) mixtures, compounds
  48. What is the term for a material (typically a solid one) that dissolves into another material?
    a SOLUTE.
  49. What is the term for the material that another material dissolves into?
    a SOLVENT.
  50. Only ________ cells have CENTRIOLES.

    A) plant
    B) animal
    C) bacteria
    B) animal
    (this multiple choice question has been scrambled)
  51. What kind of organism is the only type that cell specialization occurs in?
    a MULTICELLULAR organism.
  52. When individual cells or groups of cells perform 1 particular task it is called ____________.
    CELL SPECIALIZATION
  53. When a cell forms a vesicle around the particle and brings it inside the cell, it is called _____________.
    ENDOCYTOSIS
  54. When a cell forms a vesicle around the particle and sends it outside the cell, it is called ____________.
    EXOCYTOSIS
  55. What is the term for proteins in the membrane that pump particles against the concentration gradient?
    PROTEIN PUMPS.
  56. What are 3 examples of PASSIVE TRANSPORT?
    DIFFUSION, FACILITATED DIFFUSION, and OSMOSIS.
  57. What is the term for when concentrations are different?
    a CONCENTRATION GRADIENT.
  58. Particles move naturally from an area with ______ concentration to an area with _______ concentration.

    A) low, high
    B) high, low
    B) high, low
  59. Groups of cells that carry out a specific function are known as ________.
    TISSUES
  60. In DIFFUSION, FACILITATED DIFFUSION, and OSMOSIS, particles move ________ the concentration gradient.

    A) down
    B) up
    A) down
  61. Solutions with ____ solute are concentrated.

    A) high
    B) low
    A) high
  62. Solutions with ____ solute are diluted.

    A) high
    B) low
    B) low
  63. A group of tissues that carries out a specific function is known collectively as a(n) ________.
    ORGAN
  64. A group of organs that carry out a specific function is known as a(n) ____________.
    ORGAN SYSTEM
  65. What are the 3 reasons that ACTIVE TRANSPORT occurs?
    1. because energy is needed to move particles, because particles are moving up the concentration gradient.

    2. Because the particle's size and/or polarity makes it so it cannot pass through the cell membrane.

    3. Because of the movement created by protein pumps.
  66. What are two examples of an ORGAN SYSTEM?
    The MUSCULAR SYSTEM, and the DIGESTIVE SYSTEM.
  67. Is H20 a SOLVENT or a SOLUTE?
    It is a SOLVENT.
  68. What 3 things/materials are dissolved in the cytoplasm?
    SALTS, SUGARS, and IONS (changed particles).
  69. EUKARYOTES have _________ organelles than PROKARYOTES.

    A) more
    B) less
    A) more
  70. Which organelle helps in cell division?
    the CENTRIOLE.
  71. What is another word that is used to describe PROKARYOTIC cells?
    BACTERIA.
  72. In a(n) __________ solution, the outside concentration is less than the cell concentration.

    A) hypotonic
    B) isotonic
    C) hypertonic
    A) hypotonic
    (this multiple choice question has been scrambled)
  73. In a(n) ___________ solution, the outside concentration is greater than the cell concentration.

    A) hypertonic
    B) isotonic
    C) hypotonic
    A) hypertonic
    (this multiple choice question has been scrambled)
  74. In a(n) ___________ solution, the outside concentration is equal to the cell concentration.

    A) hypotonic
    B) hypertonic
    C) isotonic
    C) isotonic
    (this multiple choice question has been scrambled)
  75. What is the term for the amount of solute in a solvent?
    CONCENTRATION.
  76. What is the equation for CONCENTRATION?
    Concentration = mass of solute/volume of solvent
  77. What are three examples of organs?
    STOMACH, and GALLBLADDER.

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