Solved: BIOLOGY Question for NEET

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Alec Jeffreys – Streptococcus pneumoniae

Alfred Hershey and Martha Chase – TMV

Matthew Meselson and F. Stahl – Pisum sativum

Francois Jacob and Jacques Monod – Lac operon

Alec Jeffreys developed the technique of DNA Fingerprinting . Streptococcus pneumoniae was used by Frederick Griffith in his transformation experiments .
Alfred Hershey and Martha Chase worked with bacteriophages (viruses that infect bacteria), not TMV (Tobacco Mosaic Virus), to prove DNA is the genetic material .
Matthew Meselson and Franklin Stahl performed experiments on Escherichia coli to prove the semiconservative nature of DNA replication . Pisum sativum (garden pea) was the organism used by Gregor Mendel.
Francois Jacob and Jacques Monod are credited with elucidating the Lac operon model .

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