Bioremediation — Quiz Answers

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1
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Which condition most directly explains the fast recovery of the Gulf spill?

A
Nutrient treatments slowed microbial activity in the Gulf.
B
Freshwater in the Gulf diluted pollutants.
C
Warm water temperatures supported faster microbial growth.
D
The Gulf had more complex ecosystems than Alaska.
4

Which microbial process was most effective at degrading hydrocarbons in 7 days?

A
control (no microbes)
B
dehydrogenase activity
C
surfactant vesicle production
D
oxygenase activity
5

Match each microbial process with its effectiveness.

Answer:

degraded hydrocarbons, but less effectively than oxygenases|degraded hydrocarbons, but not as effectively as vesicle producers|showed almost no pollutant degradation|showed the highest pollutant degradation overall

7

Arrange the steps of microbial hydrocarbon degradation in the correct order. Place the first step at the top of the list.

Answer not available
8

Match each microbial structure or process with its function.

Answer:

detects and attaches to hydrocarbons|breaks hydrocarbons into smaller droplets|converts hydrocarbons into CO₂ and H₂O

9

Determine whether each microbial component is primarily involved in starting the degradation process or increasing the efficiency of degradation.

Answer not available
10

What role do membrane proteins play in microbial degradation of hydrocarbons?

A
They convert hydrocarbons directly into CO sub 2 and cap h sub 2 cap o.
B
They release soap-like substances that break down oil droplets.
C
They cut hydrocarbon chains into smaller pieces.
D
They detect and attach hydrocarbons on oil droplets.

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