When acetylcholine stimulates the opening of ligand-gated ion channels on a postsynaptic cell, what is this event called?
A. neuromuscular junction
B. temporal summation
C. inhibitory postsynaptic potential (IPSP)
D. excitatory postsynaptic potential (EPSP)
E. synaptic integration
D. excitatory postsynaptic potential (EPSP)
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The ?-jelly roll of the Lpt system functions to
A. help translocate assembled LPS across the outer membrane of the bacterial cell. B. help attach the O-antigen to core oligosaccharide moieties during synthesis of LPS. C. help anchor the newly positioned LPS on the bacterial cell surface. D. help hide lipid A from the hydrophilic periplasm during LPS transport to the membrane.
Which of the following is a characteristic of mitochondria?
a. being unable to survive outside the cell b. using energy to make glucose c. being involved in photosynthesis d. having linear-shaped chromosomes
______ or septic shock is characterized as by massive drop in blood pressure that can result from the release of LPS in gram-negative infections
a. endotoxic b. toxoid c. exotoxic d. hemolytic
If bacteria are exposed to a B cell in the spleen, they will initiate a(n)
A) cell-mediated immune response. B) response from the complement system. C) inflammatory response. D) humoral immune response. E) nonspecific immune response.