venlafaxine (brand name: Effexor) A medication used to treat depression (antidepressant) that affects chemical messengers within the brain. These chemical messengers are called neurotransmitters, and some examples are serotonin, dopamine, and norepinephrine.
They form an endospore. An endospore is a thick cell wall that helps protect them. Endospores enable bacteria to lie dormant for extended periods of time when the environmen â¦ t is unfavorable (such as extreme temperatures, radiation, extreme pH levels, extreme pressures and harmful chemical agents).
However, there are multi-cellular, eukaryotic organisms that have been noted to survive in harsh environments and may be considered extremophiles. Some of the most amazing photos of extreme environments come from the deep sea near hydrothermal vents and include images of eukaryotic extremophiles.