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Biology Chapter 8 Review

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