Resultado de búsqueda
Hace 2 días · A protein is a polyamide. Secondary structure: regularly repeating local structures stabilized by hydrogen bonds. The most common examples are the α-helix, β-sheet and turns. Because secondary structures are local, many regions of different secondary structure can be present in the same protein molecule.
Hace 3 días · Gold is a chemical element with the symbol Au (from the Latin word aurum) and the atomic number 79. In its pure form, it is a bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal, a group 11 element, and one of the noble metals.
Hace 1 día · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
Hace 1 día · Definitions[edit] " Addiction " and " addictive behaviour " are polysemes denoting a category of mental disorders, of neuropsychological symptoms, or of merely maladaptive /harmful habits and lifestyles. [9] A common use of "addiction" in medicine is for neuropsychological symptoms denoting pervasive/excessive and intense urges to engage in a ...
Hace 1 día · Wikimedia Foundation. The Wikimedia Foundation, Inc., abbreviated WMF, is an American 501 (c) (3) nonprofit organization headquartered in San Francisco, California, and registered there as a charitable foundation. [5] It is the host of Wikipedia, the seventh most visited website in the world. In addition, the foundation hosts 14 other related ...
Hace 3 días · A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations ( computation ). Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. The term computer system may refer to a nominally ...
Hace 2 días · PHP is a general-purpose scripting language geared towards web development. [8] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [9] [10] The PHP reference implementation is now produced by the PHP Group. [11] PHP was originally an abbreviation of Personal Home Page, [12] [13] but it now ...
