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In their studies, what did Goldstein and Brown discover about human cells and cholesterol?

  • They multiply

  • They decrease lifespan

  • They remove cholesterol from blood via LDL receptors

  • They are unrelated

Answer

Goldstein and Brown discovered that human cells remove cholesterol from blood via LDL receptors. They found that LDL receptors are proteins found on the surface of cells. LDL receptors bind to LDL particles, which are molecules that carry cholesterol. When LDL receptors bind to LDL particles, the LDL particles are taken into the cell.
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