Leukotrienes are part of a class of biologically active compounds that occur naturally in the white blood cells or the leukocytes. These compounds functions in the pathogenesis of inflammation. They trigger the contraction of the smooth muscles located in the bronchioles. Excess amounts of this substance is a cause of the inflammation during asthma and in allergic rhinitis.
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The cells split, and, after a certain amount of time, the two identical replicas of the split cells split again into more cells. With energy, this process repeats until there are billions of trillions of cells.
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The monomers of a protein are amino acids
The animalia. plantae, and protista are all kingdoms. This will make the correct answer B.
