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double helix composed of two strands that are twisted together. The strands are made up of nucleotides which consist of a sugar, phosphate group, and a nitrogenous base. This structure allows DNA to store and transmit genetic information.
A bond in DNA helps hold the structure together by connecting the nucleotide bases in the double helix. These bonds are essential for maintaining the stability and integrity of the DNA molecule.
Watson and Crick deduced the double helix structure of DNA. They proposed this model in 1953, revolutionizing our understanding of genetics and molecular biology.
The numbering of adenine in DNA is important for identifying its position in the DNA molecule. This numbering system helps scientists understand the structure and function of DNA, as well as how adenine interacts with other molecules in the cell.
The structure is described as a straight chain or linear chain.
1950
1950
they described the structure of DNA
1950
1850
watson and crick
Watson and Crick
Double stranded, single stranded. DNA can be described as having a double helix structure.
Sir James Watson and Sir Francis Crick first described the molecular structure of DNA correctly. They not only mentioned the fact that DNA is a helical structure, but also described how the constituting molecules are arranged in the helix. The base-pairing, sugar-phosphate backbone were first described by Watson and Crick.
DNA is described as a double helix because its structure resembles a twisted ladder, with two strands that are twisted around each other in a spiral shape. This shape allows DNA to store and transmit genetic information efficiently.
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DNA double helix discovered by Francis Crick, James Watson, Rosalind Franklin and Maurice Wilkins.