<span>Acidophile. These organisms have evolved to handle extreme environments that others cannot. An Acidophile has the ability to survive a low pH, such as sulfuric pools and geysers. They get their name by combining the word acid and phile, which means to love.</span>
Answer:
3 and 4 are most closely related.
5 and 6 are also most closely related.
This is because the active
site of the receptors on the cell and the hormone are akin to lock and key
respectively. The conformations of the receptor’s active site and the hormone allow them to
interlock with specificity. The receptor (which is a transmembrane protein) is
connected to second messengers inside of the cell that triggers a biochemical
cascade in response to the hormone.
