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Francis Crick
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Francis Harry Compton Crick was an English molecular biologist, biophysicist, and neuroscientist. He, James Watson, Rosalind Franklin, and Maurice Wilkins played crucial roles in deciphering the helic
Francis Crick crop
Francis Crick crop
Diagram that emphasises the phosphate backbone of DNA. Watson and Crick first made helical models with the phosphates at the centre of the helices.
Diagram that emphasises the phosphate backbone of DNA. Watson and Crick first made helical models with the phosphates at the centre of the helices.
Crick and Watson DNA model built in 1953 was reconstructed largely from its original pieces in 1973 and donated to the National Science Museum in Lond
Crick and Watson DNA model built in 1953 was reconstructed largely from its original pieces in 1973 and donated to the National Science Museum in London.
Results from an fMRI experiment in which people made a conscious decision about a visual stimulus. The small region of the brain coloured orange shows
Results from an fMRI experiment in which people made a conscious decision about a visual stimulus. The small region of the brain coloured orange shows patterns of activity that correlate with the decision making process. Crick stressed the importance of finding new methods to probe human brain function.
DNA
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Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning,
Francis Crick
…biophysicist, and neuroscientist. He, James Watson, Rosalind Franklin, and Maurice Wilkins played crucial roles in deciphering the helical structure of the DNA molecule. Crick and Watson's paper in Nature in 1953 laid the groundwork for understanding DNA structure and functions. Together with Maurice Wilkins, they were…
Simplified diagram
Simplified diagram
Impure DNA extracted from an orange
Impure DNA extracted from an orange
A current model of meiotic recombination, initiated by a double-strand break or gap, followed by pairing with an homologous chromosome and strand inva
A current model of meiotic recombination, initiated by a double-strand break or gap, followed by pairing with an homologous chromosome and strand invasion to initiate the recombinational repair process. Repair of the gap can lead to crossover (CO) or non-crossover (NCO) of the flanking regions. CO recombination is thought to occur by the Double Holliday Junction (DHJ) model, illustrated on the right, above. NCO recombinants are thought to occur primarily by the Synthesis Dependent Strand Annealing (SDSA) model, illustrated on the left, above. Most recombination events appear to be the SDSA type.
Maclyn McCarty (left) shakes hands with Francis Crick and James Watson, co-originators of the double-helix model based on the X-ray diffraction data a
Maclyn McCarty (left) shakes hands with Francis Crick and James Watson, co-originators of the double-helix model based on the X-ray diffraction data and insights of Rosalind Franklin and Raymond Gosling.