Proceedings of the National Academy of Sciences of the United States of America, Vol. 70, No. 4 (Apr., 1973), pp. 1112-1116 (5 pages) Two different estimates were obtained for the extent of nucleotide ...

Nucleotide chains, such as DNA and RNA, are synthesized by making copies from other chains. The copying process always happens in a "forward" direction, from one particular end to the other. During ...

DNA replication likes one direction. Not the boy band, but rather it prefers to replicate in a certain direction over the other. Publishing their findings in Science Advances, scientists have ...

Sos1 was initially identified as a guanine nucleotide exchange factor for Ras which regulates cellular activities such as cell growth and differentiation (Downward, 1996). A carboxyl terminal domain ...

The initiation of viral RNA synthesis has evolved to take place by a wide variety of mechanisms, broadly categorized between primer-independent or primer-dependent. Considerable variation is observed ...