The x-ray diffraction pattern of DNA discovered by Rosalind Franklin showed that DNA
A) is helical.
B) has a repeated pattern.
C) is both helical and has a repeated pattern.
D) contains beta sheets arranged in a repeated pattern.
E) contains alpha helices and beta sheets.

Question

Quizplus · Accepted Answer

The x-ray diffraction pattern of DNA discovered by Rosalind Franklin showed that DNA is both helical and has a repeated pattern. The helical structure is referred to as a double helix, while the repeated pattern is due to the regularly spaced base pairs within the DNA molecule.

The X-Ray Diffraction Pattern of DNA Discovered by Rosalind Franklin