Campbell 6.3 - 6.4 Quiz

25 Questions | Total Attempts: 199

SettingsSettingsSettings
Please wait...
Campbell 6.3 - 6.4 Quiz

This quiz covers the readings found in Chapter 6. 3 - 6. 4 in your textbook. 6. 3 covers the topics of the nucleus and ribosomes focusing on their structures and functions which 6. 4 focuses on the 'endomembrane system' consisting of the ER (rough and smooth), Golgi apparatus, lysosomes, and vacuoles.


Questions and Answers
  • 1. 
    DNA is frequently described as having the structure of a 'coiled coil' although in reality it is more like a 'coiled coiled coil' because it has 3 stages of coiling to its structure. Please describe the coiling behavior of DNA - use Fig 6.9 on p.103 of your book for help...especially the lower right portion of that figure titled 'chromatin'.  
  • 2. 
    In an elegant example of the relationship between Structure and Function your book states that, "cells that have high rates of protein synthesis have particularly large numbers of ribosomes". Explain.
  • 3. 
    Structure and Function time!!  Please name 1 type of cell that would have a large amount of Smooth ER and explain why this would be the case. (p.105)
  • 4. 
    Use the 1st paragraph in the section titled "Functions of the Rough ER" and list the 3 steps that occur as/just after a protein is created by a ribosome bound to the Rough ER. 
  • 5. 
    Please describe steps 1-4 of Figure 6.12 which show the general flow of activity in the Golgi.  Use your own words, please!
  • 6. 
    In the opening introductory paragraph of 6.3 it becomes clear why the nucleus and ribosomes are discussed together.  Your text discusses them jointly because they are both involved in: 
    • A. 

      Creation of the cell's membrane system

    • B. 

      Enzymatic control of the cell especially during macromolecular digestion

    • C. 

      Creation of the cell's genetic components (DNA and RNA)

    • D. 

      Genetic control of the cell - housing the DNA and using it to make proteins

  • 7. 
    Please check any possible places where genetic material can be found in a cell. 
    • A. 

      Nucleus

    • B. 

      Mitochondria

    • C. 

      ER

    • D. 

      Chloroplasts

    • E. 

      Golgi

  • 8. 
    What is usually the most conspicuous or eye-catching organelle in an animal cell and plant cell respectively? 
    • A. 

      Central vacuole and nucleus

    • B. 

      Nucleus and central vacuole

    • C. 

      Nucleolus and lysosome

    • D. 

      ER in both types of cells

    • E. 

      ER and central vacuole

  • 9. 
    The proteins that are stuck into membranes like the nuclear membranes and ER membranes and which create small, selective channels through which molecules can pass are called: 
  • 10. 
    Molecues can only ENTER the nucleus through pore complexes...the nucleus is like the Hotel California in the famous song by the Eagles: "you can check out any time you like, but you can never leave...."
    • A. 

      True

    • B. 

      False

  • 11. 
    Check any of the following places that ribosomes can be found. 
    • A. 

      In the nucleus

    • B. 

      Bound to the outer membrane of the nuclear envelope

    • C. 

      Floating free in the cytoplasm

    • D. 

      Bound to the outermost layer of the cell membrane

    • E. 

      Bound to the Endoplasmic Reticulum

  • 12. 
    The individual pieces that DNA is organized into are called ______________________. 
  • 13. 
    Chromatin is only truly visible in cell nuclei when cells are __________________. 
  • 14. 
    Check the 2 things below that are synthesized (made) in the nucleolus. 
    • A. 

      RRNA

    • B. 

      Large and small ribosome subunits

    • C. 

      DNA

    • D. 

      MRNA

    • E. 

      Chromatin

  • 15. 
    Using the last paragraph on p.102 of your text just before the title "Ribosomes: Protein Factories" fill in the following blanks with ONE space in between each answer: The nucleus synthesizes ____________ from ___________ and the mRNA is then used by the ribosomes to create  a _____________.  
  • 16. 
    Free ribosomes generally make proteins that will stay in the cytoplasm. 
    • A. 

      True

    • B. 

      False

  • 17. 
    Check any of the following that are included in the 'endomembrane system'. 
    • A. 

      ER

    • B. 

      Golgi

    • C. 

      Nucleus

    • D. 

      Ribosomes

    • E. 

      Vesicles

    • F. 

      Lysosomes

    • G. 

      Plasma membrane

    • H. 

      Vacuoles

  • 18. 
    Fill in both blanks in the following sentence with ONE space separating the 2 answers: The tubules and sacs of the ER are called __________________ and the inside space of the ER is called the _______________.  
  • 19. 
    The Smooth ER is named as such because it lacks _________________ and therefore appears smooth under a microscope. 
  • 20. 
    Flashback to functional groups...I told you they would become important!  The Smooth ER helps detoxify drugs and poisons by frequently adding ____________ groups onto them.  These functional groups are polar and therefore increase a molecule's ability to dissolve in water and be flushed out of the body. 
  • 21. 
    One of the Smooth ER's functions is to store _______ ions.  This function is especially important in muscle cells where the release of these ions causes the muscle cells to contract. 
  • 22. 
    "After leaving the ER, many transport vesicles travel to the ____________________________" (2 words). 
  • 23. 
    Just like the sacs of the ER, the sacs of the Golgi are called _________________. 
  • 24. 
    The cis face of the Golgi is the receiving end and the trans face of the Golgi is the shipping out end. 
    • A. 

      True

    • B. 

      False

  • 25. 
    Your textbook compares the molecular identification tags that can get added on to Golgi products to ensure that they are sent to the correct place in the cell to __________________. (2 words) 
Related Topics
Back to Top Back to top