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Hace 15 horas · Phosphorus is an essential mineral for humans listed in the Dietary Reference Intake (DRI). Food-grade phosphoric acid (additive E338 [104]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [105]
- white, red and violet are waxy, black is metallic-looking
- white, red, violet, black and others (see Allotropes of phosphorus)
- 5.2 (silicon = 100)
Hace 15 horas · The life cycle of malaria parasites: Sporozoites are introduced by a mosquito bite. When they reach the liver, they multiply into thousands of merozoites. The merozoites infect red blood cells and replicate, infecting more and more red blood cells. Some parasites form gametocytes, which are taken up by a mosquito, continuing the life cycle.
- 619,000 (2021)
- Fever, vomiting, headache, yellow skin
