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Multiple Choice
The scientist/s that was/were given credit for first determining the structure of DNA is/are:
A
Hershey and Chase.
B
Watson and Crick.
C
Chargaff.
D
Griffith.
E
Hershey and Crick.
F
Watson and Chase.
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Verified step by step guidance
1
Understand the historical context of DNA structure discovery. The structure of DNA was determined in the early 1950s, a pivotal moment in molecular biology.
Familiarize yourself with the key figures involved in the discovery of DNA's structure. James Watson and Francis Crick are credited with proposing the double helix model of DNA.
Recognize the contributions of other scientists. For example, Rosalind Franklin's X-ray diffraction images were crucial for Watson and Crick's model, and Erwin Chargaff's rules on base pairing were foundational.
Differentiate between the roles of other scientists mentioned. Hershey and Chase conducted experiments on bacteriophages to show that DNA is the genetic material, not proteins. Griffith discovered the phenomenon of transformation in bacteria.
Identify the correct answer by matching the names with their contributions. Watson and Crick are the scientists credited with determining the structure of DNA, specifically the double helix model.