General Biology I- Exam 2

91 Questions | Total Attempts: 290

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Biology Exam Quizzes & Trivia

General Biology I Exam 2Claudia Cummings, InstructorCreated by: Isaiah Newport


Questions and Answers
  • 1. 
    The four main macromolecules are ___________, _____________, ___________ and ___________
  • 2. 
    How many different types of amino acids make up proteins?
    • A. 

      34

    • B. 

      20

    • C. 

      16

    • D. 

      55

  • 3. 
    Carbohydrates are composed of:
    • A. 

      Monosaccharides

    • B. 

      Polysaccharides

    • C. 

      Disaccharides

  • 4. 
    The molecule of DNA consists of two strands coiled together to form a ________ ________
  • 5. 
    Each enzyme catalyses only one type of reaction.
    • A. 

      True

    • B. 

      False

  • 6. 
    The main source of energy for life on Earth is sunlight.
    • A. 

      True

    • B. 

      False

  • 7. 
    What letters are short for Adenosine Triphosphate?
  • 8. 
    Lipids are generally _______.
    • A. 

      Hydrophobic

    • B. 

      Hydrophilic

  • 9. 
    Glycerol has only ____ carbons.(how many)
  • 10. 
    What are the 3 structures of a nucleotide?(multiple answers)
    • A. 

      5 carbon sugar

    • B. 

      Nitrogenous base

    • C. 

      Phosphate group

    • D. 

      Carboxyl group

    • E. 

      Amino acid base

  • 11. 
    How many strands does DNA have?
  • 12. 
    What are the nitrogenous bases of DNA?
    • A. 

      Adenine

    • B. 

      Uracil

    • C. 

      Thymine

    • D. 

      Guanine

    • E. 

      Cytosine

  • 13. 
    One DNA strand is complementary to the other, choose the correct ones below.(multiple answers)
    • A. 

      A + C

    • B. 

      T + G

    • C. 

      A + T

    • D. 

      G + C

  • 14. 
    What is the name of the process that joins monomers together to make polymers?
    • A. 

      Hydrolysis

    • B. 

      Monomerization

    • C. 

      Protein formation

    • D. 

      Coiling

    • E. 

      Dehydration synthesis

  • 15. 
    In hydrolysis, __________________ , and in this process water is _________________________ .
    • A. 

      A polymer breaks up to form monomers ... consumed

    • B. 

      A monomer breaks up to form polymers ... produced

    • C. 

      Monomers are assembled to produce a polymer ... consumed

    • D. 

      Monomers are assembled to produce a polymer ... produced

    • E. 

      A polymer breaks up to form monomers ... produced

  • 16. 
    Every protein (polypeptide) has a free ________________ on one end and a free ___________________ on the other end.
    • A. 

      Carboxyl group......R group

    • B. 

      Amino group.....carboxyl group

    • C. 

      C-terminus........C-terminus

    • D. 

      A-terminus.......A-terminus

  • 17. 
    A polypeptide is the same as a protein.
    • A. 

      True

    • B. 

      False

  • 18. 
    A_______ is a polymer constructed from a set of just 20 kinds of monomers called Amino Acids?
  • 19. 
    How many amino acids are there?
    • A. 

      1000

    • B. 

      20

    • C. 

      61

    • D. 

      2

  • 20. 
    What is a monomer?
    • A. 

      A single unit of macromolecules

    • B. 

      Multiple units of macromolecules

    • C. 

      A type of protein

    • D. 

      An organic compound

  • 21. 
    What is a polymer?
    • A. 

      A single unit of macromolecules

    • B. 

      Multiple units of macromolecules

    • C. 

      A type of protein

    • D. 

      An organic compound

  • 22. 
    How do you get from a monomer to a polymer?
    • A. 

      Add water

    • B. 

      Add carbon

    • C. 

      Remove water

    • D. 

      Remove carbon

  • 23. 
    How do you get from a polymer to a monomer?
    • A. 

      Add water

    • B. 

      Add carbon

    • C. 

      Remove water

    • D. 

      Remove carbon

  • 24. 
    What are carbohydrates?
    • A. 

      Proteins

    • B. 

      Fats, oils, etc..

    • C. 

      Sugars, starches, etc..

    • D. 

      The basis of genetics

  • 25. 
    What is the monomer of carbs?
    • A. 

      Nucleotide

    • B. 

      Amino Acid

    • C. 

      Monosaccharide

    • D. 

      Glycerol

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