Question

who used x - rays to take unique pictures of dna, which were eventually used to explain its structure?
rosalind franklin
oswald avery
james watson and francis crick
friedrich miescher

Explanation:

Rosalind Franklin used X - ray crystallography to take images of DNA. Her famous "Photo 51" was crucial in understanding the structure of DNA. Oswald Avery was involved in experiments showing DNA as the genetic material. James Watson and Francis Crick built the double - helix model of DNA using data from Franklin and others. Friedrich Miescher discovered nucleic acids.

Answer:

Rosalind Franklin