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Discovery of DNA › View

What feature did Hershey and Chase use to differentiate between the protein and nucleic acid in their experiment?

A. Proteins have phosphorus and nucleic acids have sulfur

B. Proteins have sulfur and nucleic acids have phosphorus

C. Proteins are single stranded and nucleic acids are double stranded

D. Proteins are double stranded and nucleic acids are single stranded

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Molecular Genetics › View

A DNA molecule made from 2 different sources is called …

A. recombinant DNA

B. nuclear DNA

C. modified DNA

D. mutant DNA

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