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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 6 días · Knowledge is an awareness of facts, a familiarity with individuals and situations, or a practical skill. Knowledge of facts, also called propositional knowledge, is often characterized as true belief that is distinct from opinion or guesswork by virtue of justification. While there is wide agreement among philosophers that propositional ...
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 5 días · CONCEPTO DE LAS EVIDENCIAS Es conveniente mencionar primero, que evidencia es todo aquello dejado por el autor del delito, como huellas, evidencias, rasgos en otras palabras esto significa signo parente y probable de que existe alguna cosa y a su vez es sinónimo de seña, muestra o indicación, según el diccionario.
Hace 5 días · Imperiul Otoman (în limba turcă otomană: دولتِ عَليه عُثمانيه, Devlet-i Aliye-i Osmaniye, „Sublimul Stat Otoman”; limba turcă modernă: Osmanlı Devleti sau Osmanlı Imparatorluğu, adesea numit și Turcia Otomană) a fost o supraputere imperială, care și-a manifestat dominația în zona mediteraneană și care a ...
Hace 2 días · Definitions. A tornado is a violently rotating column of air, in contact with the ground, either pendant from a cumuliform cloud or underneath a cumuliform cloud, and often (but not always) visible as a funnel cloud. [18] For a vortex to be classified as a tornado, it must be in contact with both the ground and the cloud base.
Hace 5 días · 2.4 million (2016) [9] Dementia is a syndrome associated with many neurodegenerative diseases (most commonly Alzheimer's ), which is characterized by a general decline in cognitive abilities that impacts a person's ability to perform everyday activities. This typically involves problems with memory, thinking, behavior, and motor control. [10]
