
A221 Team 4 Lesson 8

Quiz
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Biology
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University
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Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How does A.Fischeri help the Bobtail squid?
It doesnt help
It helps to hide it from predators.
It protects it from prey.
For protection from predators and hide from prey.
Answer explanation
Aliivibrio fischeri is a bioluminescent marine bacterium. Bobtail squid is protected from its predators and is able to hide well from its prey.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the symbiotic relationship between A.Fischeri bacteria and the Bobtail squid?
Mutualism
Commensalism
Parasitism
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the cell arrangement of A.Fischeri?
It looks like a fish
Coccus
Vibrio
Bacillus
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Communication cannot occur between Gram-positive and Gram-negative bacteria.
True
False
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the difference in communcation between Gram-positive and Gram-negative bacteria?
AHL
Type of autoinducers
SHL
AIP
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Both Gram-negative and Gram-positive use both regulatory and sensory proteins in the quorum sensing.
True
False
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Quorum sensing such as bioluminescence can only occur in high cell density.
True
False
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