But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical that encodes instructions for building and replicating almost all ...

Laying the Groundwork: Levene Investigates the Structure of DNA Meanwhile ... discovery of the sugar-phosphate backbone of the DNA molecule was still years away. The large number of molecular ...

In its structure, DNA contains a pattern for producing amino ... Two nucleotides together form a base pair; the sugars and phosphates form a "backbone," along which the base pairs are strung.

Nucleosomes are repetitive building blocks introduced in the monotonous linear structure of double ... crosslinked by the covalent backbone of a single DNA molecule. The spontaneous formation ...

DNA is negatively charged, due to the phosphate groups in its phosphate-sugar backbone, so histones bind ... irregular and not quite the uniform structure depicted in instructive drawings such ...

Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words. Other combinations of the atoms form the four bases: thymine (T), adenine (A ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding ...

This diagram depicts the chemical structure of pyrimidine ... The remaining positions are occupied by carbon atoms, forming the backbone of important nucleobases in DNA and RNA. (Image: Public Domain) ...