To actually visualize the double-helical structure of DNA, researchers require special ... To see chromosomes in this way, scientists must first use a chemical process that attaches the ...

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 ...

Later, in 1960, the discovery that an RNA molecule and a DNA molecule could form a hybrid ... these RNAs all share the same basic single-stranded chemical structure with, in some cases, higher ...

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 ...

A University of Iowa-led study has revealed the unexpected structure adopted by the DNA repair protein RAD52 as it binds and ...

Scientists at the University of Iowa have made an exciting discovery that could lead to new cancer-fighting drugs. They found ...

Chemical structure of guanine, showing its double-ring purine structure ... This strong base pairing is crucial for the stability of the DNA double helix and the accurate replication and transcription ...