after a successful search for homology with a template DNA (purple, red and green). The template DNA is opened up in the middle, with one of its strands forming new double-stranded DNA with the ...

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 ...

DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.

Cambridge-trained biochemist Cathie Martin leads the Purple Tomato project. She used DNA from a purple snapdragon, an edible flower, to develop a transgenic tomato 20 years ago. The goal was to ...