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Milestones in DNA history


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1.

The scientist(s) who developed a technique to sequence DNA and later won a Nobel prize for their achievement in 1980 is(are) :

  Walter Gilbert and Frederick Sanger

  Arnold Levine and Gerald Edelman

  Clara Bloomfield

  Harold Varmus and Rodney Porter

  Half-n-half Clue
 

2.

One of the surprises uncovered by the Human Genome project was the surprisingly small number of genes that humans possess. This number is approximately :

  35000

  80000

  60000

  10000

  Half-n-half Clue
 

3.

The first organism ever to be cloned from adult cells was :

  Dolly, the sheep

  Tadpoles

  Northern Leopard frogs

  A cow

  Half-n-half Clue
 

4.

The scientist who created the first recombinant DNA molecules :

  James Shapiero

  Ian Wilmut

  Paul Berg

  Howard Temin

  Half-n-half Clue
 

5.

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 discovery of the structure of DNA.

  the discovery of the lac(tose) operon.

  the discovery of the presence of DNA which could not be expressed.

  the elucidation of protein synthesis.

  Half-n-half Clue
 

6.

The scientist who reported that DNA composition is species specific was :

  Hamilton Smith

  Erwin Chargaff

  Herbert Boyer

  Sidney Brenner

  Half-n-half Clue
 

7.

The Double Helix structure of DNA was first described by :

  Peter Mitchell

  James Watson, Francis Crick and Maurice Wilkins

  Oswald Avery

  Watson and King

  Half-n-half Clue
 


 
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