AP - Intro To Chapter 3

10 Questions | Total Attempts: 44

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AP - Intro To Chapter 3


Questions and Answers
  • 1. 
    Which of these terms is most inclusive?
    • A. 

      Monosaccharide

    • B. 

      Starch

    • C. 

      Polysaccharide

    • D. 

      Disaccharide

    • E. 

      Carbohydrate

  • 2. 
     Hydrocarbons are hydrophobic because:
    • A. 

      The covalent bonds between hydrogen and carbon are nonpolar

    • B. 

      They contain functional gropus

    • C. 

      They exist as isomers

    • D. 

      Ionic bonds are always polar

    • E. 

      The strong electronegative properties of carbon

  • 3. 
    Carbohydrate molecules:
    • A. 

      Serve as structural components of human cell walls.

    • B. 

      Form the regulatory compounds known as enzymes.

    • C. 

      Are a source of energy.

    • D. 

      Help protect vital organs from damage.

    • E. 

      Contain the genetic information of a cell.

  • 4. 
    A chemical reaction in which polymers are synthesized from their building blocks is called:
    • A. 

      Hydrolysis

    • B. 

      Condensation

    • C. 

      Oxidation

    • D. 

      Reduction

    • E. 

      Dissosiation

  • 5. 
    Which one of the following carbohydrates is the most structurally complex?
    • A. 

      Sucrose

    • B. 

      Fructose

    • C. 

      Cellulose

    • D. 

      Glucose

    • E. 

      A disaccharide

  • 6. 
    Which of the following is NOT true of lipids?
    • A. 

      They store energy.

    • B. 

      They function as structural components of cellular membranes.

    • C. 

      They function as hormones

    • D. 

      They are nonpolar

    • E. 

      They have many oxygen-containing functional groups.

  • 7. 
    Which of the following statements concerning unsaturated fats is correct?
    • A. 

      They are more common in animals.

    • B. 

      They have no double bonds in the carbon chains of their fatty acids.

    • C. 

      They are generally liquids at room temperature.

    • D. 

      They contain more hydrogen than do saturated fats having the same number of carbon atoms.

    • E. 

      They have fewer fatty acids per fat molecule than do saturated fats.

  • 8. 
    A carbohydrate energy storage molecule found in animal liver and muscle cells is:
    • A. 

      Starch

    • B. 

      Chitin

    • C. 

      Glycogen

    • D. 

      Cellulose

    • E. 

      Protein

  • 9. 
    Sucrose is made of
    • A. 

      Glucose + Glucose

    • B. 

      Glucose + Sucrose

    • C. 

      Glucose + Fructose

    • D. 

      Fructose + Galactose

    • E. 

      Glucose + Galactose

  • 10. 
    Glucose dissolves in water because:
    • A. 

      It ionizes

    • B. 

      It is a polysaccharide

    • C. 

      It has polar hydroxyl groups that interact with polar water molecules

    • D. 

      It has a very reactive primary structure

    • E. 

      It is hydrophobic

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