Its twisted, double-helix structure is one of the most iconic ... Gene codes are broken down into groups of three nucleotide bases, known as codons. Different codons indicate different amino ...

First, he noted that the nucleotide composition of DNA varies ... that A bound to T and C bound to G within the molecular structure of DNA (Figure 2). Chargaff's realization that A = T and C ...

A light-activated enzyme morphed round starfish egg cells into different shapes. This technology could one day be useful for ...

The phosphate group attached to the 5' carbon of the sugar on one nucleotide forms an ester bond ... In double-stranded DNA, the molecular double-helix shape is formed by two linear sugar ...