Which of the following is not a major component of blood in humans?  AEpithelial cells  BRed blood cells  CWhite blood cells  DPlasma  EPlatelets

A - Epithelial cells

Explanation:

Epithelial cells are cells that come from surfaces of your body, such as your skin, blood vessels, urinary tract, or organs. They serve as a barrier between the inside and outside of your body, and protect it from viruses. A small number of epithelial cells in your urine is normal.

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the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.