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Select the correct match

1. Alec Jeffreys - Streptococcus pneumoniae
2. Alfred Hershey and - TMV
3. Francois Jacob and - Lac operon Jacques Monod
4. Matthew Messelson - Pisum sativum and F. Stahl

Correct answer: Francois Jacob and - Lac operon Jacques Monod

Solution

Francois Jacob and Jacques Monod are the scientists associated with the lac operon model, which explains how bacteria regulate genes for lactose utilization. The other options mismatch famous researchers with unrelated organisms or experiments.

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