Sickle cell experts say the future of a critical data collection program is in flux after staff at the CDC's Division of ...

To prepare the 46 chromosomes of a human cell for transport to the daughter cells during cell division, each chromosome forms a compact X-shaped structure with two rod-like copies. How the cell ...

The biological research of UC Santa Cruz's Needhi Bhalla to determine the molecular motions at the heart of heredity has yielded a new discovery: The proper transfer of genetic materials depends on ...

About 100 cells divide every second in our body. A key protein in cell division is a protein kinase termed Plk1, because it activates other proteins involved in this process. Plk1 is also ...

Examples of multicellular organisms include animals and most species of plants. The following diagram shows the variety of human cell types.

Comprehensive reference genomes have now been assembled for six ape species: siamang (a Southeast Asian gibbon), Sumatran ...

The first division is composed of corticospinal ... the origins of ‘midget’ retinal ganglion cell (RGC) types, which comprise 90% of human RGCs. These were thought to be a primate innovation ...

Embryonic stem cells can differentiate into a wider range of cell types, but are difficult to obtain and their use raises ethical challenges. The best source is the five-day-old embryo.

An Osaka Metropolitan University-led study demonstrated that Cdc42 (cell division cycle 42) plays a crucial role in the formation and maintenance of the morphological characteristics of quiescent ...

About 100 cells divide every second in our body. A key protein in cell division is a protein kinase termed Plk1, because it activates other proteins involved in this process. Plk1 is also ...

Learn more about the National Academies’ various programs designed to connect, engage, and inspire. In 2005, the National Academies released the book, Guidelines for Human Embryonic Stem Cell Research ...