Ch 2 Micro

  1. Which of the following statements about the atom 126C is false?




    E)
  2. 168O 126C 11H
    calculate the molecular weight of ethanol, C2H5OH.




    B)
  3. Antacids neutralize acid by the following reaction. Identify the salt. Mg(OH)2 + 2HCl →
    MgCl2 + H2O




    C)
  4. Which of the following statements is false?




    D)
  5. Which of the following is the type of bond holding K+ and I- ions in KI?


    C)
  6. Which of the following is the type of bond between molecules of water in a beaker of water?


    B)
  7. What is the type of bond holding hydrogen and oxygen atoms in the H2O molecule?


    B)
  8. Identify the following reaction: Glucose + Fructose → Sucrose + Water




    E)
  9. Identify the following reaction: Lactose + H2O → Glucose + Galactose




    B)
  10. Identify the following reaction: HCl + NaHCO3 → NaCl + H2CO3




    E)
  11. Identify the following reaction: NH4OH ⇌ NH3 + H2O




    B)
  12. Which type of molecule contains the alcohol glycerol?



    B)
  13. Which type of molecule is composed of (CH2O) units?



    A)
  14. Which type of molecule contains -NH2 groups?



    C)
  15. Which type of molecule NEVER contains a phosphate group?



    D)
  16. Which of the following statements about the atom 168O is false?




    D)
  17. Using the information in Table 2.2, calculate the number of moles in 92 grams of ethanol, C2H5OH.




    C)
  18. The following chemical reaction is used to remove chlorine from water. What type of
    reaction is it?
    HClO + Na2SO3 → Na2SO4 + HCl




    A)
  19. Which of the following pairs is mismatched?




    D)
  20. What is the type of bond between the hydrogen of one molecule and the nitrogen of another
    molecule?




    A)
  21. What is the type of bond between carbon, hydrogen, and oxygen atoms in organic
    molecules?


    C)
  22. What is the type of bond between ions in salt?


    C)
  23. Identify the following reaction: H2O + CO2 ⇌ H2CO3




    D)
  24. Identify the following reaction: Glycine + Lysine → Dipeptide + H2O




    A)
  25. Identify the following reaction: Sucrose + H2O → Glucose + Fructose




    B)
  26. Structurally, ATP is most like which type of molecule?



    D)
  27. What do genes consist of?



    C)
  28. Which molecule is composed of a chain of amino acids?



    C)
  29. Which are the primary molecules making up plasma membranes in cells?



    A)
  30. The antimicrobial drug imidazole inhibits sterol synthesis. This would most likely interfere
    with




    C)
  31. C---N

    What kind of bond is at the arrow in Figure 2.1?




    C)
  32. An E. coli culture that has been growing at 37°C is moved to 25°C. Which of the following
    changes must be made in its plasma membrane?




    A)
  33. Assume Saccharomyces cerevisiae is grown in a nutrient medium containing the
    radioisotope 35S. After a 48-hour incubation, the 35S would most likely be found in the S.
    cerevisiae's




    C)
  34. Assume Saccharomyces cerevisiae is grown in a nutrient medium containing the
    radioisotope 32P. After a 48-hour incubation, the 32P would most likely be found in the S.
    cerevisiae's




    A)
  35. Starch, dextran, glycogen, and cellulose are polymers of




    E)
  36. Which of the following is a base?



    H2O → H+ + OHE)
    H2CO
    A)
  37. Two glucose molecules are combined to make a maltose molecule. What is the chemical
    formula for maltose?




    A)
  38. Desulfovibrio bacteria can perform the following reaction: S6- → S2-. These bacteria are



    D)
  39. Oil-degrading bacteria are naturally present in the environment but cannot degrade an oil
    spill fast enough to avoid ecological damage. How can the actions of these bacteria be sped up?




    A)
Author
XQWCat
ID
173779
Card Set
Ch 2 Micro
Description
Ch 2 Lecture microbiology
Updated