Along with DNA, the other major type of nucleic acid in cells is ribonucleic acid (RNA). Both are shown in the above image, in single stranded form. DNA at on the top, and differs from RNA by its ...

DNA is fundamental to the biology of all life on Earth, but how many of us actually know what it is or what it's made of?

Whether it is a microbe, a rose, or a dolphin, any form of life gets its building ... the cell uses the gene sequence as a blueprint. A different nucleic acid molecule, known as messenger RNA ...