Principles Of Biology I - Exam II - Chapters 6, 7, 8

72 Questions | Total Attempts: 476

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Biology Quizzes & Trivia

Pittsburg State UniversityPrinciples of Biology IFall, 2010 - Exam II - Chapters 6, 7, 8Dr. Wu


Questions and Answers
  • 1. 
    What is the minimum resolution of a Light Microscope (LM)?
    • A. 

      20 nm

    • B. 

      20 mm

    • C. 

      20 µm

    • D. 

      200 nm

    • E. 

      200 µm

  • 2. 
    Which type of microscope focuses a beam of electrons onto the surface of a specimen, providing images that look 3-d?
    • A. 

      Transmission Electron Microscope

    • B. 

      Scanning Electron Microscope

    • C. 

      Light Microscope

    • D. 

      Fischer Price Microscope

    • E. 

      None of the above

  • 3. 
    Which type of microscope focuses a beam of electrons through a specimen, and are used mainly to study the internal structure of cells?
    • A. 

      Transmission Electron Microscope

    • B. 

      Scanning Electron Microscope

    • C. 

      Light Microscope

    • D. 

      Fischer Price Microscope

    • E. 

      None of the above

  • 4. 
    What cell types are eukaryotic?
    • A. 

      Bacteria, fungi, protists

    • B. 

      Bacteria and archaea

    • C. 

      Archaea and fungi

    • D. 

      Protists, fungi, animals and plants

    • E. 

      None of the above.

  • 5. 
    What cell types are prokaryotic?
    • A. 

      Bacteria, fungi, protists

    • B. 

      Bacteria and archaea

    • C. 

      Archaea and fungi

    • D. 

      Protists, fungi, animals and plants

    • E. 

      None of the above.

  • 6. 
    Prokaryotic cells:
    • A. 

      Do not have a nucleus

    • B. 

      Lack membrane-bound organelles

    • C. 

      Contain DNA in a nucleus that is bounded by a membranous nuclear envelope

    • D. 

      Have membrane-bound organelles

    • E. 

      Contain DNA in an unbound region called the nucleoid

  • 7. 
    Eukaryotic cells:
    • A. 

      Contain DNA in a nucleus that is bounded by a membranous nuclear envelope

    • B. 

      Contain DNA in an unbound region called the nucleoid

    • C. 

      Lack membrane-bound organelles

    • D. 

      Have membrane-bound organelles

    • E. 

      Do not have a nucleus

  • 8. 
    A phospholipid has a hydrophobic head and hydrophilic tails.
    • A. 

      True

    • B. 

      False

  • 9. 
    What types of cellular organelles are present in animal cells but not plant cells?
    • A. 

      Lysosomes

    • B. 

      Nucleus

    • C. 

      Mitochondrion

    • D. 

      Cytoskeleton

    • E. 

      Golgi apparatus

    • F. 

      Flagella

    • G. 

      Plasmodesmata

    • H. 

      Centrioles

  • 10. 
    What types of cellular organelles are present in plant cells but not animal cells?
    • A. 

      Chloroplasts

    • B. 

      Golgi apparatus

    • C. 

      Plasmodesmata

    • D. 

      Mitochondrion

    • E. 

      Centrioles

    • F. 

      Central vacuole and tonoplast

    • G. 

      Cell wall

  • 11. 
    What cellular organelle is/are the genetic library(ies) and control center(s) of the cell?
    • A. 

      The Cytoskeleton

    • B. 

      Mitochondria & Chloroplasts

    • C. 

      The Endomembrane System

    • D. 

      Ribosomes

    • E. 

      Nucleus

  • 12. 
    What cellular organelles are the protein factories of the cell?
    • A. 

      Lysosomes

    • B. 

      The Golgi Apparatus

    • C. 

      Vacuoles

    • D. 

      Ribosomes

    • E. 

      Mitochondria & Chloroplasts

  • 13. 
    What cellular organelle consists of microtubules, actin and intermediate filaments?
    • A. 

      The Cytoskeleton

    • B. 

      Mitochondria

    • C. 

      The Endomembrane System

    • D. 

      Ribosomes

    • E. 

      Extracellular structures

  • 14. 
    What cellular organelle is(are) the shipping and receiving center(s) for the cell?
    • A. 

      Lysosomes

    • B. 

      Vacuoles

    • C. 

      Endoplasmic Reticulum

    • D. 

      The Golgi Apparatus

    • E. 

      Actin

  • 15. 
    The nuclear envelope consists of what two membranes?
    • A. 

      Lamina

    • B. 

      Chromosomes

    • C. 

      Chromatin

    • D. 

      Pores

    • E. 

      Nucleoli

  • 16. 
    Chromatin condenses to form discrete _______________?
  • 17. 
    What is the primary function of nucleoli?
    • A. 

      Enclose the nucleus, separating it from the cytoplasm

    • B. 

      Chromosome secretion

    • C. 

      Genetic material formation

    • D. 

      Ribosome synthesis

  • 18. 
    Where can ribosomes be found in the cell?
    • A. 

      Mitochondria

    • B. 

      Cytosol (free)

    • C. 

      The Golgi Apparatus

    • D. 

      Outside of the endoplasmic reticulum or nuclear envelope (bound)

  • 19. 
    What are some characteristics and functions of smooth ER (endoplasmic reticulum)?
    • A. 

      Synthesize lipids

    • B. 

      Membrane factory for the cell

    • C. 

      Metabolize carbohydrates

    • D. 

      Distributes transport vesicles

    • E. 

      Stores calcium

    • F. 

      Detoxifies poison

    • G. 

      Has bound ribosomes, studding its surface

    • H. 

      Lacks ribosomes

  • 20. 
    What are characteristics and functions of rough ER (endoplasmic reticulum)?
    • A. 

      Synthesize lipids

    • B. 

      Membrane factory for the cell

    • C. 

      Metabolize carbohydrates

    • D. 

      Distributes transport vesicles

    • E. 

      Stores Calcium

    • F. 

      Detoxifies poison

    • G. 

      Has bound ribosomes, studding its surface

    • H. 

      Lacks ribosomes

  • 21. 
    Endoplasmic reticulum (ER) accounts for what percentage of the total membrane in many eukaryotic cells?
    • A. 

      >20%

    • B. 

      >30%

    • C. 

      >40%

    • D. 

      >50%

    • E. 

      >60%

  • 22. 
    Smooth ER and Rough ER are the two distinct regions of endoplasmic reticulum (ER).
    • A. 

      True

    • B. 

      False

  • 23. 
    What are functions of the Golgi Apparatus?
    • A. 

      Metabolizes carbohydrates

    • B. 

      Stores calcium

    • C. 

      Modifies products of the endoplasmic reticulum (ER)

    • D. 

      Synthesizes the production of proteins

    • E. 

      Manufactures certain macromolecules

    • F. 

      Sorts and packages materials into transport vesicles

  • 24. 
    The trans face is the "receiving" side of the Golgi apparatus and the cis face is the "shipping" side of the Golgi apparatus.
    • A. 

      True

    • B. 

      False

  • 25. 
    Sacs of flattened membranous sacs are called ______________?