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1. What function does AI-1 serve? a. It is an autoinducer b. It is a receptor...

1. What function does AI-1 serve?

a. It is an autoinducer b. It is a receptor for an autoinducer c. It is the molecule that synthesizes autoinducer d. It is a kinase in a transduction pathway

2. What is the function of LuxR protein?

a.It produces bioluminescence b.It makes the bacteria fluoresce green c.It turns on quorum sensing d.It inhibits the natural glow

3. LuxR protein is produced when LuxO is phosphorylated

a. True b. False

4. When the cell bioluminesces as a response to autoinducers, no GFP is expressed.

a. True b.False

5. The difference between the strains LuxN+, Lux PQ+, and LuxN+ Lux PQ+?

a.LuxN+ does not have a receptor for AI-2, while LuxPQ+ does not have a receptor for AI-1, and LuxN+LuxPQ+ has receptors for both

b.LuxN+ does not have a receptor for AI-1, while LuxPQ+ does not have a receptor for AI-2, and LuxN+LuxPQ+ has no receptors for either

c.LuxN+ has a receptor for AI-2 only, LuxPQ+ has one for AI-1 and LuxN+LuxPQ+ has receptors for both

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Answer #1

1. The AI-1 is an inducer protein and it influences the kinase activity in a signal transduction pathway for Vibrio harveyi. So the correct answer is option a. It is an autoinducer

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