For the first time, scientists have witnessed the very moment DNA begins to unravel, revealing a necessary molecular event ...

During circular DNA replication, the excised primer is readily replaced by nucleotides, leaving no gap in the newly synthesized DNA. In contrast, in linear DNA replication, there is always a small ...

DNA replication is one of the most basic processes ... This foundation is a short stretch of nucleotides called a primer (Figure 2). After the primer is in place on a single, unwound ...

During DNA replication, special enzymes move up along the DNA ladder, unzipping the molecule as it moves along. New nucleotides move in to each side of the unzipped ladder. The bases on these ...

Every day, billions of cells in your body divide, helping to replace old and injured cells with new ones. And each time this ...

In this type of pairing, adenine (A) forms two hydrogen bonds with thymine (T) in DNA or uracil (U) in RNA, while guanine (G) forms three hydrogen bonds with cytosine (C). These base pairs are highly ...

DNA achieves this feat of storing, coding and transferring biological information though its unique structure. Replication of DNA DNA replication is the process by which a cell makes an identical ...

Nobel Laureate and University of Chicago professor Jack Szostak delivered two lectures on the origin of life to an audience of professors, graduate, and undergraduate students the Monday and Tuesday ...

Original DNA template - DNA is a double helix made of two complementary strands. Each strand can be used as a template to create a new DNA molecule. Free DNA nucleotides – needed to form the new ...