Multiple Choice
One strand of a DNA molecule has the base sequence 5′-ATAGGT-3′. The complementary base sequence on the other strand of DNA will be 3′- __________-5′.
14. DNA Synthesis
Discovering the Structure of DNA
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The scientist/s that used x-ray diffraction to help reveal the structure of DNA is/are:
A
Watson and Crick.
B
Hershey and Chase.
C
Avery and Macleod.
D
Chargaff.
E
Franklin.
Verified step by step guidance1
Understand the context: The problem is asking about the scientist(s) who used x-ray diffraction to help reveal the structure of DNA.
Recall the historical contributions: X-ray diffraction was a key technique used to determine the structure of DNA.
Identify the scientists involved: While Watson and Crick are famous for proposing the double helix model of DNA, they relied on x-ray diffraction data.
Recognize the key contributor: Rosalind Franklin was the scientist who produced critical x-ray diffraction images of DNA, which were essential for understanding its structure.
Conclude with the correct association: Franklin's x-ray diffraction work was pivotal in revealing the structure of DNA, leading to the correct answer.
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