Life as we know it — plants, animals, fungi, even you and me — depends on something that happened more than 2 billion years ...

Most organisms fit comfortably into standard definitions of “life,” i.e., cells that grow, reproduce independently, and generate energy. Viruses have always been an exception, sitting in a gray area ...

Cell division is a fundamental process for all living organisms. Despite billion years of evolution, prokaryotes, including bacteria and archaea, utilize only a few conserved mechanisms to divide.

In a scientific first, researchers from Vanderbilt University and the University of California, San Diego, have generated a ...

Specifically, the researchers found that intersectin keeps tiny, message-carrying bubbles inside brain cells in a particular ...

Physics, Chemistry, Biology & Environmental Science- with exam pattern, important topics, prep tips, and a downloadable PDF.

Following the emergence of cellular life on earth, some 3.5 billion years ago, simple cells lacking a nucleus and other detailed internal structure dominated the planet.

The prokaryotic GTPase FtsZ, a homologue of tubulin, was shown to form filaments and to interact with the membrane during bacterial cell division 40. Actin homologues have been discovered in ...

Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van ...

What is cancer? Cancer starts when cells change abnormally Cancer is when abnormal cells divide in an uncontrolled way. Some cancers may eventually spread into other tissues. There are more than 200 ...