What have we learned about RNA structure and function so far ... Later, in 1960, the discovery that an RNA molecule and a DNA molecule could form a hybrid double helix was the first experimental ...

who first proposed the double helix structure of DNA. In this type of pairing, adenine (A) forms two hydrogen bonds with thymine (T) in DNA or uracil (U) in RNA, while guanine (G) forms three hydrogen ...

Later it was found that the sugar in nucleic acid can be ribose or deoxyribose, giving two forms: RNA and ... This way DNA can reproduce itself without changing its structure -- except for ...

In reality, there is much more to the RNA story. However, in the half-century since the structure of DNA was first elaborated, scientists have learned that RNA does much more than simply play a ...

Credit: Kateryna Kon/Science Photo Library/ What is DNA, and how does it work? You don't need a degree in ...

Deoxyribonucleic acid (DNA) is the information-carrying molecule found in all living organisms. In most animal, plant and fungal cells DNA is stored in the nucleus coiled up in thread-like ...

A History in Hybridization and Structure Alexander Rich and David Davies discover the double-stranded RNA helix and show that polyribo U and polyribo A hybridize spontaneously.6 Ben Hall and Sol ...

alter their structure, and enable the binding of specific proteins that mediate various biochemical and cellular outcomes. The large size of RNA’s vocabulary relative to that of DNA’s is not ...

This discovery, along with the identification of other nitrogenous bases, laid the foundation for our understanding of DNA and RNA structure. Cytosine can be synthesized chemically or isolated from ...