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Biology Chapter 8 Review

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