Biomed 107 Practice Quiz
Chapter 2, Spring 2008
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  1. The fluid known as _?_ constitutes the greatest percentage of extracellular fluid in the body.
    1. plasma
    2. cytoplasm
    3. interstitial fluid
      4.

  2. Secretion of neurotransmitters and pancreatic enzymes is accomplished primarily by the process of...
    1. mitosis
    2. exocytosis
      3.
    3. endocytosis
    4. cytokinesis

  3. The rough endoplasmic reticulum functions in
    1. synthesis, storage, and transport
    2. storage, transport, and digestion
    3. transport, respiration, and synthesis
    4. contraction, transport, and diffusion

  4. Movements of chromosomes and organelles, and cell motility, are most directly dependent on the normal function of...
    1. lysosomes
    2. microtubules
      3.
    3. the Golgi apparatus
    4. smooth endoplasmic reticulum

  5. Chromatin is...
    1. present in all membrane-bound organelles
    2. the form in which DNA exists during mitosis
    3. the form in which DNA exists during interphase
      4.
    4. A. and B.
    5. A. and C.

  6. Chromosomes are...
    1. the most organized level of genetic material
      2.
    2. visible with a light microscope during all parts of the cell cycle
    3. both of the above
    4. none of the above

  7. During anaphase, sister chromatids...
    1. replicate
    2. join together to form a "double helix"
    3. condense into chromosomes
    4. "line up" at the equatorial plate
    5. separate from each other
      6.

  8. Which one of the following is most effective in isolating the cytoplasm from the extracellular fluid?
    1. integral proteins
    2. peripheral proteins
    3. phospholipid "tails"
      4.
    4. rigid composition of plasma membrane