Prokaryotic organisms contain one type of rRNA gene that encodes ... based on the three-dimensional structure of the tRNA molecule. Other classes of RNA species include microRNAs, small ...

They can be any colour. Ethanol is a much larger molecule made of three types of atoms. Its formula is CH₃CH₂OH. Here, the oxygen atom is red, carbon is black and hydrogen is white.

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 ...

DNA is a complex molecule that consists of two strands coiled around each other to form a double helix structure. Comparison of a single ... These mechanisms can detect and correct different types of ...

Although James Watson and Francis Crick determined the double-helical structure of DNA ... Miescher isolated a previously unknown type of molecule that was slightly acidic and contained a high ...

The pioneering nuclear chemist Glenn Seaborg discovered berkelium at Berkeley Lab in 1949. It was one of many achievements ...