There are three types of blood cells in the human body, but only one type of red blood cell. Red cells, or erythrocytes, are relatively large microscopic cells without nuclei â¦ .In this latter trait, they are similar to the primitive prokaryotic cells of bacteria.here are three types of blood cells in the human body, but only one type of red blood cell. Red cells, or erythrocytes, are relatively large microscopic cells without nuclei â¦ .
These four scientistsâWatson, Crick, Franklin, and Wilkinsâcodiscovered the double-helix structure of DNA, which formed the basis for modern biotechnology. Home / Learn / Historical Biographies At Kingâs College London, Rosalind Franklin obtained images of DNA using X-ray crystallography, an idea first broached by Maurice Wilkins. Franklinâs images allowed James Watson and Francis Crick to create their famous two-strand, or double-helix, model. In 1962 Watson (b. 1928), Crick (1916â2004), and Wilkins (1916â2004) jointly received the Nobel Prize in Physiology or Medicine for their 1953 determination of the structure of deoxyribonucleic acid (DNA).
View full size image. James Watson was a pioneer molecular biologist who is credited, along with Francis Crick and Maurice Wilkins, with discovering the double helix structure of the DNA molecule. The trio won the Nobel Prize in Medicine in 1962 for their work.