In 1952, Rosalind Franklin took an X-ray photograph revealing the structure of DNA. James Watson and Francis Crick follwed up on this discovery in 1953. They discovered that the molecule has a shape specific to just that molecule. That shape can best be described as —

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells