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Which of the following is a signaling molecule for bacteria?

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Which of the following is a signaling molecule for bacteria?

(a) Heteroserine lactones

(b) Polyserine lactones

(c) Monoserine lactones

(d) Homoserine lactones

This question was posed to me in a national level competition.

Enquiry is from Cell Interactions in division Extracellular Matrix and Cell Interactions of Cell Biology

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Best answer
The correct choice is (d) Homoserine lactones

Best explanation: Homoserine lactones are the signaling molecules a bacteria uses in cell-cell interactions. These help in their growth and metabolism.

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