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DNA
Important People
Years in History
The Double Helix
Misc
100
DNA
What is deoxyribonucleic acid?
100
Swiss biologist Friedrich Meischer
Who is credited for isolating and investigating DNA?
100
April 1953
What is the year Watson and Crick presented the discovery of the double helix?
100
Sugar-phosphate
What is the backbones of the two DNA strands in a DNA molecule?
100
Tin and wire
What was the DNA model Watson and Crick built made from?
200
nucleotides (adenine, thymine, cytosine, and guanine)
What is DNA made out of?
200
Dr. James Watson and Francis Crick
Who is credited for the double helix structure of DNA?
200
1958
What is the year Rosalind Franklin died?
200
Two antiparallel sugar-phosphate chains
What winds around the outside of the molecule?
200
Linus Pauling
What is the scientist that had the model of a three-stranded DNA?
300
Bacteria and phages
What did scientists experiment with to provide strong evidence that DNA is the genetic material?
300
Maurice Willkins
Who should have been credited as well (aside from Watson and Crick) for the discovery of the double helix structure?
300
20th century
What is the century the identification of molecules of inheritance loomed as a major challenge to biologists?
300
A with T and G with C
What is the hydrogen-bond pairs?
400
An x-ray crystallographer who conducted several experiments resulting in the photo Watson and Crick used to discover the double helix
Who is Rosalind Franklin?