This tree is constructed from an analysis of small subunit rRNA sequences sampled from approximately 3,000 species from throughout the Tree of Life. The species were chosen based on their availability, but most of the major taxonomic groups were included,
This program takes as input a protein sequence and a multiple alignment of a protein family and computes a jumping alignment of the sequence and the alignment.
La definición de persona no es un problema científico. Puede dilucidarse científicamente cuándo el embrión se implanta, cuántas células tiene aproximadamente en ese momento, cuándo el feto desarrolla un cerebro que puede experimentar dolor (puede leer más sobre eso aquí), cuándo hay pérdida total e irreversible de la actividad cerebral, etcétera.
Therapeutic Cloning Treats Parkinson's Disease In Mice ScienceDaily (Mar. 24, 2008) — Research led by investigators at Memorial Sloan-Kettering Cancer Center (MSKCC) has shown that therapeutic cloning, also known as somatic-cell nuclear transfer (SCNT)
A compilation of important epidemiologic concepts and common biostatistical terms used in medical research. For more detailed information on these topics, use the reference list at the end of the document.
Researchers have have discovered a distinctive chemical signature for placental and cerebral malaria which kill hundreds of thousands of young children a year, giving the option of earlier,or more intense treatment in those who need it.