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Hace 2 días · Diabetes mellitus, often known simply as diabetes, is a group of common endocrine diseases characterized by sustained high blood sugar levels. [10] [11] Diabetes is due to either the pancreas not producing enough insulin, or the cells of the body becoming unresponsive to the hormone's effects. [12] Classic symptoms include thirst, polyuria ...
Hace 5 días · A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.This protein was the first to have its structure solved by X-ray crystallography.Toward the right-center among the coils, a prosthetic group called a heme group (shown in gray) with a bound oxygen molecule (red).. Proteins are large biomolecules and macromolecules that comprise one or more long chains of ...
Hace 4 días · The Federal Republic of Germany manages 227 diplomatic missions abroad. Of these, 153 are embassies, 52 consulates-general, 7 consulates, and 12 multilateral missions making it one of the world's largest diplomatic networks. [1] In addition, there are 337 honorary consuls, which are not included in this list.
Hace 2 días · Surface waves in water showing water ripples. In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Periodic waves oscillate repeatedly about an equilibrium (resting) value at some frequency.When the entire waveform moves in one direction, it is said to be a travelling wave; by contrast, a pair ...
Hace 1 día · Germany, officially the Federal Republic of Germany (FRG), is a country in the western region of Central Europe.It is the second-most populous country in Europe after Russia and the most populous member state of the European Union.Germany lies between the Baltic and North Sea to the north and the Alps to the south. Its 16 constituent states have a total population of over 84 million in an area ...
Hace 3 días · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...
Hace 1 día · Rice plant (Oryza sativa) with branched panicles containing many grains on each stem Rice grains of different varieties at the International Rice Research InstituteRice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa.Rice is the seed of the grass species Oryza sativa (Asian rice)—or, much less commonly ...
