Example Sentences

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Ptashne's experiment also indicated that the represser turned off the appropriate cell genes by binding itself tightly to them, somehow preventing the production of an enzyme in the process.

From Time Magazine Archive

The remaining genes, they proposed, were deactivated �turned off by mysterious represser substances produced by other genes.

From Time Magazine Archive

Ptashne was majoring in philosophy at Reed College in Portland, Ore., when he became fascinated by a theory about represser molecules and switched to chemistry in his senior year.

From Time Magazine Archive

In 1967 the Harvard molecular biologist detected a molecule, called a "represser," that regulates the way a gene functions, possibly a key in the study of cancer.

From Time Magazine Archive

He was very much annoyed by my freezing civility, which I always found the best represser of impertinence; but recognising his mistake, he changed his tone, and vouchsafed an explanation.

From Prisoner for Blasphemy by Foote, G. W. (George William)