L7: Lab Exam 7 Question 1
Not yet graded / 3 pts
A biochemical test used to identify whether or not a microorganism can breakdown tryptophan is called the ___________ test.
Your Answer:
Indole
Indole Question 2
Not yet graded / 3 pts
What color would you expect to see on the 4-quadrant enzymatic test card if a microorganism was unable to breakdown tryptophan?
Your Answer:
Yellow
Yellow. The microorganism would be classified as indole negative. Question 3
Not yet graded / 4 pts
Name one advantage that the ability to breakdown tryptophan brings to a microorganism.
Your Answer:
It is more resistant to drugs/medications.
An increased resistance to drugs/medications OR an increased ability to survive harsh environments—often seen via spore formation. Question 4
Not yet graded / 3 pts
An enzymatic test that assesses the ability of a microorganism to produce hydrogen sulfide gas and/or ferment sugar is known as the __________ test.
Your Answer: