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).
346 CHAPTER 12 Bacteria, Protists, and Fungi Types of Bacteria Two main groups of bacteria are archaebacteria (ar kee bakTIHR ee uh) and eubacteria (YOO bak tihr ee uh). Most knownarchaebacteria live in harsh environments where few kinds ofother organisms can live. Eubacteria usually live in less harshenvironments.46 CHAPTER 12 Bacteria, Protists, and Fungi Types of Bacteria Two main groups of bacteria are archaebacteria (ar kee bakTIHR ee uh) and eubacteria (YOO bak tihr ee uh). Most knownarchaebacteria live in harsh environments where few kinds ofother organisms can live. Eubacteria usually live in less harshenvironments.