Bauxite ore is one of the primary source of aluminum but it must first be chemically processed to produce alumina (aluminum oxide). The next step of aluminum production is smelting of alumina using an electrolysis process (Hall-Heroult process). This electrolysis process is driven by electrical current. Electrolyte (molten salt) with immersed carbon anodes is used in order to dissolve the alumina. Carbon anodes are carrying electrical current and thee chemical bond between aluminum and oxygen in the alumina is broken.
DNA<span> and </span>RNA<span> are nucleic acids found in the cells of living organisms. ... The </span>synthesis<span> of </span>proteins<span> starts with transcribing the instructions in </span>DNA<span> into mRNA. The mRNA is then carried out of the cell's nucleus into the cytoplasm, specifically into structures called ribosomes.</span>
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In experimental animals, such as mice, rats, and dogs, DDT has shown to cause chronic effects on the nervous system, liver, kidneys, and immune system. It has also been found that humans, who were occupationally exposed to DDT, suffered chromosomal damage.
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African Honeybee:
Phylum: Arthropoda
Species: Apis mellifera
Genus: Apis
Kingdom: Animalia
Order: Hymenoptera
Class: Insecta
Tribe: Apini
Grasshopper:
Phylum: Arthropoda
Informal group: Acridomorpha; Dirsh, 1966
Kingdom: Animalia
Class: Insecta
Order: Orthoptera
Black Widow Spider:
Scientific name: Latrodectus
Length: Southern black widow: 1.5 in.
Class: Arachnida
Order: Spider
Phylum: Arthropoda
Mosquito:
Scientific name: Culicidae
Order: Diptera
Class: Insecta
Speed: 1 – 1.5 mph
Clutch size: 100 – 200
Yellow Jacket:
Phylum: Arthropoda
Family: Vespidae
Genus: Vespula or Dolichovespula
Order: Hymenoptera
Class: Insecta
Kingdom: Animalia
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