Chapter 4

20 Questions

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Chapter 4

Questions and Answers
  • 1. 
    What are the neutral, acidic and base pH levels?
    • A. 

      Neutral-7 acidic- under 7 base- over 7

    • B. 

      Neutral-8 acidic- under 8 base- over 8

    • C. 

      Neutral-8 acidic- over 8 base- under 8

    • D. 

      Neutral-7 acidic- over 7 base- under 7

  • 2. 
    Cohesion is an attraction between  ________ types of substances and Adhesion is an attraction between  ________ types of substances
    • A. 

      The same, different

    • B. 

      Different, the same

  • 3. 
    What is capillary action?
    • A. 

      Powered by cohesion

    • B. 

      Powered by adhesion

    • C. 

      Water molecules moving up through a narrow tube

    • D. 

      Water molecules moving down through a narrow tube

  • 4. 
    Non-Polar molecules dissolve well in water
    • A. 

      True

    • B. 

      False

  • 5. 
    What is a Macromolecule?
    • A. 

      Two monomers form a polymer

    • B. 

      Two polymers form a monomer

  • 6. 
    Carbohydrates are made from Carbon, Hydrogen and Oxygen in a 1:1:2 ratio
    • A. 

      True

    • B. 

      False

  • 7. 
    What are Lipids?
    • A. 

      Polar

    • B. 

      Glycerol molecule attached to 3 fatty acids

    • C. 

      Large and insoluble in water

    • D. 

      Include saturated and unsaturated fats

    • E. 

      All of the above

  • 8. 
     Properties of unsaturated(US) and saturated fats(S)
    • A. 

      S- double bonds

    • B. 

      S- no double bonds

    • C. 

      S- liquid at room temp.

    • D. 

      S- solid at room temp.

    • E. 

      US- double bonds

    • F. 

      US- no double bonds

    • G. 

      US- liquid at room temp.

    • H. 

      US- solid at room temp

  • 9. 
    Proteins are made of amino acids
    • A. 

      True

    • B. 

      False

  • 10. 
    Nucleotides are made of ______________
  • 11. 
    Catalysts slow down reaction rates
    • A. 

      True

    • B. 

      False

  • 12. 
    A candle fire is a type of exergonic/exothermic reaction
    • A. 

      True

    • B. 

      False

  • 13. 
    Plant and animal cells BOTH have:
    • A. 

      Mitochondria

    • B. 

      ER

    • C. 

      Cell Wall

    • D. 

      Golgi Apparatus

    • E. 

      Nucleus

    • F. 

      Cytoskeleton

    • G. 

      Chloroplast

    • H. 

      Cytoplasm

    • I. 

      Ribosomes

    • J. 

      Cell Membrane

    • K. 

      Central Vacuole

    • L. 

      Lysosomes

  • 14. 
    Prokaryotes have a nucleus
    • A. 

      True

    • B. 

      False

  • 15. 
    Properties of Archaebacteria 
  • 16. 
    What are the four types of Eukaryotes?
  • 17. 
    Polypeptide chains are _______________
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