Numerous sites of DNA damage are present on each heat-shocked spermatocyte nucleus. Image taken with a DeltaVision Ultra High Resolution widefield microscope. 3D modeling was done with Imaris ...

What do a human, a rose, and a bacterium have in common? Each of these things — along with every other organism on Earth — contains the molecular instructions for life, called deoxyribonucleic ...

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 ...

The receptor molecule (stringlike structure in different colors) maneuvers a strand of DNA (purple). The DNA binding domain is red and pink, the ligand binding domain is green and teal and the ...

Comparison of a single-stranded RNA and a double-stranded DNA with their corresponding nucleobases. (Image: Wikimedia Commons, CC SA 3.0) The most common type of base pairing is the Watson-Crick base ...

Francis Crick and James Watson with a model of the DNA molecule At midday on 28 February ... made an X-ray diffraction image of DNA, which is known as Photograph 51. This showed that DNA had ...

How does the cell convert DNA into working proteins ... not all regions of an mRNA molecule correspond to particular amino acids. In particular, there is an area near the 5' end of the molecule ...

Over 26 million of us have taken a DNA test in the past decade. This growing popularity of genetic testing has created worldwide databases that allow us to ask questions previously impossible to ...