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Biology Chapter 8 Review

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  • In a hypertonic solution, a cell will __________.
    stay the same
    shrink (shrivel)
    swell (burst)
  • The movement of materials into and out of the cells is controlled by the ___________________.
    cell membrane
  • Active transport ______________ energy to occur because particles move __________ the concentration gradient.
    does not require, with
    requires, with
    does not require, against
    requires, against
  • ________________ is the diffusion of water and it is a form of __________ transport.
    osmosis, passive
  • Cell structures that contain digestive enzymes are called ________________________.
    Lysosomes
  • This organelle is a firm, protective structure/barrier that gives the cell its shape in plants, fungi, most bacteria, and some protists.
    cytoskeleton
    vacuole
    cell membrane
    cell wall
  • The cells of all organisms contain DNA. In cells of which of the following groups is the cellular DNA enclosed in a nucleus?
    Viruses
    Bacteria
    Eukaryotes
    Prokaryotes
  • In a hypotonic solution, a cell will __________.
    swell (burst)
    stay the same
    shrink (shrivel)
  • Diffusion moves molecules from areas of ______ concentration to areas of ______ concentration.
    high, low
  • ____________________ is the term used to describe only allowing certain materials to enter into the cell.
    plasticity
    selective permeability
    permissability
    flexibility
  • This organelle is a folded membrane that forms a network of interconnected compartments in the cytoplasm; can be classified as rough or smooth.
    Endoplasmic Reticulum (ER)
  • The ___________ is the structure that provides the site for making proteins.
    ribosome
  • According to the cell theory, all cells come from _________________.
    pre-existing cells
  • The __________________ helps cells maintain homeostasis because it controls what enters and leaves the cell.
    nucleus
    cell membrane
    cell wall
    lysosomes
  • This organelle manages cell functions in eukaryotic cell; contains the genetic information used to make proteins.
    Nucleus
  • Diffusion stops when ____________________________________________________.
    none of these
    the cell uses all available ATP
    the substance completely moves to the other side
    the concentration is equal on both sides of the membrane
  • Multicellular organisms contain organ systems. Which of the following BEST describes the organs in an organ system?
    The organs in an organ system are made up of similar tissues
    all of these
    The organs in an organ system are made up of similar cells
    Organs in an organ system work together to do a specific job
  • This organelle produces a usable form of energy for the cell through a process called cellular respiration.
    ribosome
    none of these
    lysosome
    chloroplast
  • If a cell contains a nucleus, it must be a(n) ____________________.
    eukaryote
  • ________________ is a type of endocytosis and is considered to be “cellular eating.”
    Exocytosis
    Phagocytosis
    Pinocytosis
    Diffusion
  • Diffusion is a process that _________________________.
    requires energy to occur
    does not require energy to occur
  • Which organelle is found in plant cells but NOT in animal cells?
    mitochondrai
    chloroplast
    golgi bodies
    cytoplasm
  • ______________ transport does not require cellular energy to occur.
    Passive
  • The ____________________ gives cell membranes a flexible structure that forms a strong barrier between the cell and its surroundings.
    lipid bilayer
  • Which type of organism consists of specialized cells?
    unicellular eukaryotes
    multicellular eukaryotes
    unicellular prokaryotes
    multicellular prokaryotes
  • The scientist(s) that is/are credited for the cell theory is/are ____________________.
    Schleiden & Schwann
  • Which of the following is NOT an example of a type of solution?
    hypertonic
    isometric
    isotonic
    hypotonic
  • In an isotonic solution, how do water molecules move across the membrane?
    move both in and out of the cell at equal rates
  • Which of the following lists the correct order of the levels of organization?
    cells, tissues, organs, organ systems
  • The network of tiny rods and filaments that forms a framework for the cell is called the _________.
    cytoskeleton
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