ras
(Science: oncogene) One of a family of oncogenes, first identified as transforming genes of harvey and Kirsten murine sarcoma viruses. (name from rat sarcoma because Harvey virus, though a mouse virus, obtained its transforming gene during passage in a rat). Transforming protein coded is p21ras, a gTP-binding protein with GTPase activity, that resembles regulatory G-proteins.
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
This tutorial is a continuation of the first lesson on chromosomal mutation. Here, find out the chromosomal aberrations ..