Rosalind Franklin's x-ray diffraction photograph of the DNA molecule helped scientists determine . The number of genes on the DNA molecule

The color of the DNA molecule

the shape of the DNA molecule

the length of the DNA molecule

The shape of the DNA molecule

Explanation:

Rosalind Franklin's DNA showed the double-helix shape of DNA.

well, i believe that the answer is 2. : 3

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.