டிஎன்ஏ ஏணியின் ஒரு பாதி மற்றொன்றுக்கு வார்ப்புருவாகும்.

The annual "degree granting" party of Max Delbrück's phage group held in the house shared by Meselson and Stahl at Caltech. (L-R) Harry Rubin, Max Delbrück, Rene Cohen, Matt Meselson, Frank Stahl.

Frank Stahl and his wife Mary at a party, 1956.

Frank Stahl and his wife Mary. The photo was taken in 1956 by Matt Meselson.

1958 Cold Spring Harbor Laboratory meeting. Frank Stahl answering a question as Max Delbrück looks on.

Franklin Stahl during a recent interview at the University of Oregon, 1999.

1958, Matt Meselson at Caltech.

Matt Meselson and Frank Stahl in Oregon on a walk in the Cascade Mountains, 1984.

Matt Meselson at Harvard, 1999.

Arthur Kornberg, 1970s.

Arthur Kornberg with a class, 1980s.

Arthur Kornberg grew up in the city. As a child, instead of "natural" specimens like leaves or insects, Kornberg collected matchbook covers.

Why would a cell need to have more than one kind of DNA polymerase?

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The annual "degree granting" party of Max Delbrück's phage group held in the house shared by Meselson and Stahl at Caltech. (L-R) Harry Rubin, Max Delbrück, Rene Cohen, Matt Meselson, Frank Stahl.