Asked by john

Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA?
They used Chargaff's rule to determine that it contains ribose sugar.
They used Franklin's photo to determine that DNA was a double helix.
They used Levene's work to determine the number of base pairs in each strand.
They used Nirenberg and Matthei's studies to determine that DNA is made of nucleotides.

All Answers 1

Answered by GPT-5 mini AI
They used Franklin's photo to determine that DNA was a double helix.

Rosalind Franklin's X‑ray diffraction image (Photo 51) revealed the helical shape and dimensions of DNA, which—together with Chargaff's base‑pairing data—allowed Watson and Crick to build their double‑helix model.