1. 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 structure of DNA.   the discovery of the presence of DNA which could not be expressed.   the discovery of the lac(tose) operon.   Hint Half-n-half Clue   2. The scientist who reported that DNA composition is species specific was :   Erwin Chargaff   Sidney Brenner   Herbert Boyer   Hamilton Smith   Half-n-half Clue   3. The Double Helix structure of DNA was first described by :   Peter Mitchell   Oswald Avery   James Watson, Francis Crick and Maurice Wilkins   Watson and King   Half-n-half Clue   4. The scientist who first showed that genetic material is a heat stable chemical is :   Friedrich Miescher   Oswald Avery   Erwin Chargaff   Franklin Griffith   Half-n-half Clue   5. The scientist who identified the transforming agent in Griffith's famous experiment (1928) as DNA was :   Peter Mitchell   Friedrich Miescher   Oswald Avery   Erwin Chargaff   Half-n-half Clue   6. One of the surprises uncovered by the Human Genome project was the surprisingly small number of genes that humans possess. This number is approximately :   10000   60000   80000   35000   Half-n-half Clue   7. The scientist who created the first recombinant DNA molecules :   Ian Wilmut   Paul Berg   James Shapiero   Howard Temin   Half-n-half Clue