Laying the Groundwork: Levene Investigates the Structure of DNA Meanwhile ... In other words, the total amount of purines (A + G) and the total amount of pyrimidines (C + T) are usually nearly ...

Earth—our tiny blue dot in the galaxy—is approximately 26,000 light years away from a fascinating and active region of the ...

Understanding how dislocations (line defects in the crystal structure) occur when 3D-printing metals has been unclear to materials scientists. Understanding when and how dislocations form in ...

MTX acts as a folate antagonist and interrupts the synthesis of purines and pyrimidines, as well as the remethylation of homocysteine to form methionine, and multiple methyltransferase enzymes.