Organic Molecules

35 Questions

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Molecule Quizzes & Trivia

Basics of organic molecules. Covers carbohydrates, lipids, proteins, and nucleic acids.


Questions and Answers
  • 1. 
    Carbohydrates are
    • A. 

      Polar

    • B. 

      Nonpolar

    • C. 

      Hydrophobic

    • D. 

      Made up of carbon, oxygen, and an r group

    • E. 

      Amphipathic

  • 2. 
    Eicosanoids are modified fatty acids composed of _____ carbon rings
  • 3. 
    Steroids
    • A. 

      Are nonpolar

    • B. 

      Contain five carbon rings

    • C. 

      Function as hormones

    • D. 

      Are modified fatty acids

    • E. 

      Are hydrophobic

  • 4. 
    Eicosanoids are
    • A. 

      Six carbon rings

    • B. 

      Nonpolar

    • C. 

      Lipophilic

    • D. 

      Involved in intercellular communication

    • E. 

      Amphipathic

  • 5. 
    Lipids and triglycerides are bot considered to be hydro____.
  • 6. 
    Polypeptides are formed by ______ bonds.
    • A. 

      Covalent

    • B. 

      Peptide

    • C. 

      Nonpolar

    • D. 

      Polar

    • E. 

      Hydrogen

  • 7. 
    Lipids are
    • A. 

      Made of six carbon rings

    • B. 

      Hydrophilic

    • C. 

      Amphipathic

    • D. 

      Simple sugars

    • E. 

      Polar

  • 8. 
    __________ are composed of a five carbon carbonate, nitrogenous base, and a phosphate group.
  • 9. 
    DNA is
  • 10. 
    ___________ form bilayers and micelles.
    • A. 

      Polysaccharides

    • B. 

      Steriods

    • C. 

      Disaccharides

    • D. 

      Triglycerides

    • E. 

      Phospholipids

  • 11. 
    Phospholipid heads are
    • A. 

      Polar, hydrophilic,and lipophilic

    • B. 

      Nonpolar, hydrophobic, and lipophilic

    • C. 

      Polar, hydrophobic, and lipophobic

    • D. 

      Nonpolar, hydrophobic, and lipophilic

    • E. 

      Polar, hydrophilic, and lipophobic

  • 12. 
    R group also means ______ group.
  • 13. 
    RNA is
  • 14. 
    Phospholipid tails are
    • A. 

      Polar, hydrophobic, and lipophilic

    • B. 

      Nonpolar, hydrophobic, and lipophilic

    • C. 

      Polar, hydrophilic, and lipophobic

    • D. 

      Nonpolar, hydrophilic, and lipophobic

    • E. 

      Polar, hydrophilic, and lipophilic

  • 15. 
  • 16. 
    The most useful steriod is ______.
  • 17. 
    ________ are broken into primary, secondary, tertiary, and quartenary structures.
  • 18. 
    Polymers of nucleotides are
    • A. 

      Lipids

    • B. 

      Proteins

    • C. 

      Amino acids

    • D. 

      Nucleic acids

    • E. 

      Carbohydrates

  • 19. 
    Starch and cellulose are examples of _____.
  • 20. 
    Steroids are found in the
    • A. 

      ICF

    • B. 

      ISF

    • C. 

      Plasma membrane

    • D. 

      ECF

    • E. 

      Urine

  • 21. 
    The polarity of a steriod is
    • A. 

      Polar

    • B. 

      Nonpolar

    • C. 

      Slightly charged

    • D. 

      Neutral

    • E. 

      Amphipathic

  • 22. 
    The subunits of polysaccharides are
    • A. 

      Glucose and glycogen

    • B. 

      Glucose and ribose

    • C. 

      Sucrose and lactose

    • D. 

      Lactose and glycogen

    • E. 

      Sucrose and glycogen

  • 23. 
    Carbohydrates are hydro____.
  • 24. 
    The polarity of the triglycerides is
    • A. 

      Polar

    • B. 

      Nonpolar

    • C. 

      Amphipathic

    • D. 

      Slightly charged

    • E. 

      Neutral

  • 25. 
    All are examples of monosaccharides except for _____.
    • A. 

      Glucose

    • B. 

      Fructose

    • C. 

      Lactose

    • D. 

      C6H1206

    • E. 

      Galactose

  • 26. 
    Simple sugars are also called ______.
  • 27. 
    ________ are composed of a phosphate group, choline, glycerol, and fatty acids.
  • 28. 
    Sucrose and lactose are examples of ________.
  • 29. 
    Lipids usually contain ______.
  • 30. 
    Lipids are linked by ______ covalent bonds.
    • A. 

      Polar

    • B. 

      Amphipathic

    • C. 

      Peptide

    • D. 

      Nonpolar

    • E. 

      Hydrogen

  • 31. 
    Carbohydrates are composed of
    • A. 

      Carbon, hydrogen, and nitrogen

    • B. 

      Hydrogen and oxygen

    • C. 

      Oxygen, nitrogen, and carbon

    • D. 

      Carbon, hydrogen, and oxygen

    • E. 

      Carbon and glucose

  • 32. 
    Triglycerides dissolve in _______ solvents.
  • 33. 
    ___________ are composed of carbon, an amino group, carboxyl group, hydrogen, and an R group.
  • 34. 
    Carbohydrates do not bond to ______ molecules.
  • 35. 
    Triglycerides are composed of ______ and _________.
    • A. 

      Glycerol and glycogen

    • B. 

      Glucose and glycogen subunits

    • C. 

      Phosphate group, gycerol, and fatty acids

    • D. 

      Glycerol and fatty acids

    • E. 

      Fatty acids and glucose