1. The scientist who reported that DNA composition is species specific was :   Herbert Boyer   Sidney Brenner   Hamilton Smith   Erwin Chargaff   Hint Half-n-half Clue   2. The scientist(s) who developed a technique to sequence DNA and later won a Nobel prize for their achievement in 1980 is(are) :   Harold Varmus and Rodney Porter   Arnold Levine and Gerald Edelman   Walter Gilbert and Frederick Sanger   Clara Bloomfield   Half-n-half Clue   3. The scientist who identified the transforming agent in Griffith's famous experiment (1928) as DNA was :   Erwin Chargaff   Friedrich Miescher   Oswald Avery   Peter Mitchell   Half-n-half Clue   4. Robert Holley, Har Gobind Khorana, and Marshall Nirenberg shared the Nobel prize for medicine in 1968 for their contribution to DNA reasearch, which was :   the elucidation of protein synthesis.   the discovery of the lac(tose) operon.   the discovery of the presence of DNA which could not be expressed.   the discovery of the structure of DNA.   Half-n-half Clue   5. The first organism ever to be cloned from adult cells was :   Dolly, the sheep   A cow   Tadpoles   Northern Leopard frogs   Half-n-half Clue   6. Proof of the model of DNA replication suggested by Watson and Crick came from the experiments of :   George Beadle and Edward Tatum   Sidney Brenner and Francis Crick   Stanley Cohen and Herbert Boyer   M. S. Meselson and F. W. Stahl   Half-n-half Clue   7. The scientist who created the first recombinant DNA molecules :   Ian Wilmut   Paul Berg   Howard Temin   James Shapiero   Half-n-half Clue