BIOL 2051 Lab Final UPDATED ACTUAL
Questions and CORRECT Answers
How does preparing a smear for a capsule stain differ from preparing a smear for a Gram
stain?
a. you do not heat fix the smear
b. you do not air dry the smear
c. you make the smear in the primary stain not water
d. All of the above
e. Answer choices a and c - CORRECT ANSWER✔✔- E
Under what conditions are capsules formed?
a. harsh conditions
b. excess nutrients
c. lack of water
d. crowded environment
e. none of the above - CORRECT ANSWER✔✔- B
T/F Neither Staphylococcus nor Pseudomonas were sensitive to ethanol. - CORRECT
ANSWER✔✔- False
T/F Staphylococcus epidermidis is less vulnerable to antibiotics like penicillin than
Pseudomonas fluorescens. - CORRECT ANSWER✔✔- False
In Exp. 25 you will test an organisms ability to break down which carbohydrate(s)?
Select one:
a. Glucose
b. Sucrose
c. Lactose
d. all of the above
e. none of the above - CORRECT ANSWER✔✔- D
, Which of the following statements are true concerning oxidase enzymes?
Select one or more:
a. Oxidase enzymes function in the electron transport chain.
b. An oxidase enzyme catalyzes the oxidation of a cytochrome.
c. Oxidase enzymes are associated with the cytoplasmic membrane in bacteria.
d. Oxidase enzymes are made by organisms that use aerobic respiration for energy
production. - CORRECT ANSWER✔✔- All are correct
Choose all that apply to Amylase:
Select one or more:
extracellular
breaks alpha (1-4) glycosidic bonds
Breaks beta (1,4) glycosidic bonds
endoenzyme
is a polymer of glucose - CORRECT ANSWER✔✔- extracellular; Breaks alpha (1,4)
glycosidic bonds
What are the products of glycolysis?
Select one or more:
a. 2 pyruvate
b. 2 NADH
c. 2 NAD+
d. Ethanol
e. All of the above
f. None of the above - CORRECT ANSWER✔✔- 2 pyruvate, 2 NADH
T/F With your lab partner, you will inoculate a starch agar plate as a streak plate of either
Escherichia coli or Bacillus subtilis. - CORRECT ANSWER✔✔- False
Questions and CORRECT Answers
How does preparing a smear for a capsule stain differ from preparing a smear for a Gram
stain?
a. you do not heat fix the smear
b. you do not air dry the smear
c. you make the smear in the primary stain not water
d. All of the above
e. Answer choices a and c - CORRECT ANSWER✔✔- E
Under what conditions are capsules formed?
a. harsh conditions
b. excess nutrients
c. lack of water
d. crowded environment
e. none of the above - CORRECT ANSWER✔✔- B
T/F Neither Staphylococcus nor Pseudomonas were sensitive to ethanol. - CORRECT
ANSWER✔✔- False
T/F Staphylococcus epidermidis is less vulnerable to antibiotics like penicillin than
Pseudomonas fluorescens. - CORRECT ANSWER✔✔- False
In Exp. 25 you will test an organisms ability to break down which carbohydrate(s)?
Select one:
a. Glucose
b. Sucrose
c. Lactose
d. all of the above
e. none of the above - CORRECT ANSWER✔✔- D
, Which of the following statements are true concerning oxidase enzymes?
Select one or more:
a. Oxidase enzymes function in the electron transport chain.
b. An oxidase enzyme catalyzes the oxidation of a cytochrome.
c. Oxidase enzymes are associated with the cytoplasmic membrane in bacteria.
d. Oxidase enzymes are made by organisms that use aerobic respiration for energy
production. - CORRECT ANSWER✔✔- All are correct
Choose all that apply to Amylase:
Select one or more:
extracellular
breaks alpha (1-4) glycosidic bonds
Breaks beta (1,4) glycosidic bonds
endoenzyme
is a polymer of glucose - CORRECT ANSWER✔✔- extracellular; Breaks alpha (1,4)
glycosidic bonds
What are the products of glycolysis?
Select one or more:
a. 2 pyruvate
b. 2 NADH
c. 2 NAD+
d. Ethanol
e. All of the above
f. None of the above - CORRECT ANSWER✔✔- 2 pyruvate, 2 NADH
T/F With your lab partner, you will inoculate a starch agar plate as a streak plate of either
Escherichia coli or Bacillus subtilis. - CORRECT ANSWER✔✔- False
