BIOCHEM exam2 known questions

  1. 1) Fructose in
    solution can cyclize to



    C.
  2. 2) Which of the following monosaccharides isn’t
    an aldose?




    E.
  3. 3) Maltose if composed of 2 molecules of
    __________linked together by a _________­_
    glycosidic bond.





    B.
  4. 4) A(n) _________ is a stereoisomer that is not a
    mirror image around all the assymetric
    carbon atoms.





    E.
  5. 5) Glycosylation of proteins occurs at
    the following site:






    C.
  6. 6) When the carbohydrate protein is attached to a serine residue in a glycoprotein, it is referred to as a(n) _____ glycoprotein.
    O-linked
  7. 7) Which of the following is NOT a main function of lipids?





    C.
  8. 8) _________ is a membrane lipid composed of sphingosine, fatty acid and a simple sugar.
    Cerebroside
  9. 9) Receptor protein for insulin has an extracellular binding region for insulin and an intracellular domain with enzymatic activity. This protein is an example of what kind of membrane protein?
    Transmembrane/Intrinsic protein/Integral membrane protein
  10. 10) The fluidity of the lipid side-chain in the
    interior of a bilayer is generally increased by:





    phosphatidyl ethanolamines
    e. the binding of water to the fatty
    acyl side chains
    B.
  11. 11) Which of the following is NOT involved in
    signal transduction through the epinephrine receptor?





    C.
  12. 12) Example of a mechanism for which a signaling
    process might be purposely terminated:





    C.
  13. 13) The type of transport which relies on the
    driving energy of a gradient.





    E.
  14. 14) The low incidence of protein- or lipid-
    flip-flop in a membrane preserves





    C.
  15. 15) _________ is the membrane protein that catalyzes the conversion of ATP to cAMP
    Adenylate Cyclase
  16. 16) The enzyme responsible for induction of
    phosphoinositide cascade is:





    B.
  17. 17) Which of the following enzymes activates the
    zymogen, Trypsinogen:





    B.
  18. 18) Limit-dextrins are derived from starch after α–amylase treatment. The reason for the appearance of this partially digested material is ________ linkage.
    α 1-6 glycosidic
Author
ffloyd
ID
105821
Card Set
BIOCHEM exam2 known questions
Description
BIOCHEM exam2 known questions a. pyransose ring b. furanose ring c. both ring forms d. none of the above
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